dave connects an electric circuit to find the resistance of 100 cm of wire. the battery voltage is 9V. the ammeter is 2A. and the voltmeter is 5V. what is the resistance of the 100cm of wire 2012 Dave connects an electric circuit to find the resistance of 100cm of wire.Look at the diagram below.9V100 cm of wireThe battery voltage is 9V.The reading on the ammeter is 2A.The reading on the voltmeter is 5V.(a) Calculate the resistance of the 100 cm of wire.(b) Dave now uses some thinner wire.A 100 cm length of this wire has a resistance of 5 ohms.What length of this wire is needed to mako a 2 ohm resistor?

The given circuit is shown below: Voltmeter reading:V=5 voltAmmeter reading:I=2A

Answered: dave connects an electric circuit to…

dave connects an electric circuit to find the resistance of 100 cm of wire. the battery voltage is 9V. the ammeter is 2A. and the voltmeter is 5V. what is the resistance of the 100cm of wire

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

See similar textbooks

Related questions

Q: (ii) Find the magnitude and direction of the unknown currents in figure 3. Given il = 10A, i2 = 6A, ...

Q: How did you get the I1A and 12A answer pls need the solving thanks

Q: 1 out of 3 attemp Find the bandwidth and center frequency of the bandstop filter of the figure. Roun...

A: Given circuit,

Q: tance total Impedanee total Capaci

A: Inductance is series- Leq=L1+L2+......Inductance in parallel-1Leq=1L1+1L2+...... Capacitance in para...

Q: A 440 V, 3-phase a.c. motor has a power output of 11.25 kW and operates at a power facror of 0.8 lag...

Q: Power rating of a motor drawing a current of 40 A at 400 V is?

A: Given: A motor drawing a current, I = 40 A At voltage, V = 400 V

Q: When would you use a pressure transducer coupled to an oscilloscope?

A: Pressure Transducer: Pressure transducer is an instrument which converts an applied pressure into a...

Q: A 46-mH inductive coil has a resistance of 10 ohms. How much current will it draw if connected acros...

A: Given a Inductive coil with resistance having, Inductance, L = 46 mH Resistance, R = 10 ohms Supply ...

Q: If the power factor is 1/10 and the value of impedance is 20 ohm, calculate the resistance in the ci...

A: Given, Power factor, cosϕ=110 Impedance, Z=20 Ω

Q: 4. Two parallel plates, connected to a 200-V power supply, are separated by an air gap. Ho- small ca...

A: Note: As per the guide lines of the bartleby we are supposed to solve one question, when they are ...

Q: In case of 625-B television standard the maximum frequency deviation should not exceed ± 50 kHz. Cal...

Q: Determine the magnitude of the series impedance parameters of Transformer(Req ,Xeq) referred to the ...

Q: 2.A three-phase, three-wire system, with an effective line voltage 100 V, has currents IA Ic = 15.41...

A: This question belongs to electrical power system . It is based on the concept of delta connected bal...

Q: Use source transformation to find Vo in the circuit shown. 10 ww. 05V, 20 ww 10 V 2A 42

A: Given circuit shown

Q: Use a 4-to-10 line decoder achieve the following functions, fi(a, b, c, d) %3 т, + mз + ms f-(a, b, ...

Q: When the load impedance is equal to the characteristic impedance of the transmission lines, then the...

A: Calculation of reflection coefficient and standing wave ration, of the transmission lines when the ...

Q: The following is configured on a router Router(config)# interface g0/0.10 ...

A: On a router - The following instructions is set up, Router(config)# interface g0/0.10 Router(config-...

Q: A copper wire having a diameter of 0.80 mm is measured to have a resistance of 10.3 Ω at 20 o C. How...

A: This question belongs to circuit theory . It is based on the relation among resistance , length , ar...

Q: A diode is not yet fully forward biased (Vp=0 3V) so there is only a small amount of current The sat...

Q: xplain the essential features of Indicating Instruments Please do not write the answer on a ...

A: Indicating Instruments - An indicating instrument is simply a movable mechanism pivoting on jewel r...

Q: Determine the capacitance and voltages (Vrms) across the resistor and capacitor and prove that the p...

Q: In the circuit shown in Figure, find its Vrms (gen) and inductive reactance. After that, solve for i...

Q: 8.What is the coefficient of coupling of two coils whose mutual inductance is 1 H and whose self-ind...

Q: What kind of circuit is shown in the figure? Q16Fig1.gif O 1.Low-pass filter O 2.High-pass filter O3...

A: In circuit 1 capacitor is in series with resistor and output is taken from resistor Hence given cir...

Q: VIII) Find (iv) 1011011010.102 by 11012 Please write the steps for the solution

Q: A generating station has a demand of 25 MW, a load factor of 60%, then the average demand will be:

A: Given: A generating station has, Maximum demand = 25 MW Load factor = 60 % Average demand =?

Q: Vcc 6. Find Vo. (Use re model) Rc Ic 240 k Ohm Vo 6 mA 10 mv B=120 ro=50kohms 40uA 2.2 k Ohm 16 V2 V...

A: We need to find out output voltage for given circuit

Q: 2. Identify the location and summarize the purpose of each of the following: а. Piezoelectric elemen...

A: Here it is asked to identify the location and the purpose of each of the given elements. So weed to ...

Q: (1) Three point charges lie along a straight line as shown in the figure, where q, = 6.00 uC, q2 = 1...

A: We have given Three point charges lie along a straight lineq1=6.00μCq2=1.50μCq3=-2.00μCThe separati...

Q: find all current flowing through each resistors

Q: Write a Boolean expression for the output of the logic circuit. #1: z=1 z #2: z=xy+w #3: z=xy+y+w #4...

A: Given: Logic circuit,

Q: 3. Determine the voltage across R2 for the first and second diode approximations. Diode: Si, r = 10 ...

Q: Four electricians are discussing wiring under raised floors in information technology equipment room...

A: "Control" for the disconnecting means should be gathered, labelled, and placed near the main exit do...

Q: Y(s RO) Et

A: Given Signal flow diagram shown

Q: A coil of wire of resistace 50 ohm is embeded in a block of ice. What is the amount of ice melted in...

Q: Explain about controlling torque using Spring control method. Please do not write the answer in a p...

A: Controlling Torque The control device is a device that is used to control the deflection of the poin...

Q: 3-phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical powe...

Q: The circuit is at a steady state at time t = 0 in Fig. 4. For t> 0, determine the inductor current a...

Q: a. For the network below, determine lg, Ic. VE and VCE

A: The required parameter for the given voltage divider bias circuit can be calculated by using the DC ...

Q: a. A system is provided in Block Diagram form as shown in figure 4, draw its equivalent system in Si...

A: The given block diagram can be reduced by considering the parallel connected and cascade connected f...

Q: first order system,

A: Laplace transform of- ut=1se-atut=1s+a

Q: Use nodal analysis to determine the node voltages in the circuit shown. 4 S 3i. 1s V2 1s V3 2 A 2S 4...

A: The solution is given below

Q: ) Using the information provided in Figure 2, find the branch resistors R1 and Rs, the total resista...

Q: I. Solve for all current and the voltage values across each component. 20n 402 240V, Is MF 5oHz SomH...

Q: Provide your complete solution and formula. Sample Problem: [ EE Board October 1999 | The instantane...

A: According to the given question, it is required to find the rms Voltage for the below given instanta...

Q: Q3/ A- Design a logic circuit using only NOR gates to implement: F(A,B,C)= (A+B+C)(A+B+C)?

A: The given boolean function is shown below: FA,B,C=A+B+CA+B+C

Q: 1. Three impedances of 10453.13°N are connected in delta to a three-phase, CBA system with an affect...

Q: Two resistors 5 kQ and 20 k2 are at 27°C. Calculate the thermal noise power for a 10 kHz bandwidth f...

A: R1 = 5k R2 = 20 k T =temperature= 27°C = (27 + 273) K = 300K B = Bandwidth= 10 kHz

Q: A band pass filter is to be constructed using RC components that will only allow a range of frequenc...

Q: 13. Find Vo if VDs = 9V. %3D 10 uF 10mv 1 M Ohm

A: Biasing- Biasing is an activity of providing DC supply to the circuit.

Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

dave connects an electric circuit to find the resistance of 100 cm of wire. the battery voltage is 9V. the ammeter is 2A. and the voltmeter is 5V. what is the resistance of the 100cm of wire

20
12 Dave connects an electric circuit to find the resistance of 100cm of wire.
Look at the diagram below.
9V
100 cm of wire
The battery voltage is 9V.
The reading on the ammeter is 2A.
The reading on the voltmeter is 5V.
(a) Calculate the resistance of the 100 cm of wire.
(b) Dave now uses some thinner wire.
A 100 cm length of this wire has a resistance of 5 ohms.
What length of this wire is needed to mako a 2 ohm resistor?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

You are working as an electrician in a large steel manufacturing plant, and you are in the process of doing preventive maintenance on a large DC generator. You have megged both the series and shunt field windings and found that each has over 10 M to ground. Your ohmmeter, however, indicates a resistance of 1.5 across terminals S1andS2. The ohmmeter indicates a resistance of 225 between terminals F1andF2. Are these readings normal for this type machine, or is there a likely problem? Explain your answer.
Look at the images shown. Why can we measure resistance with a pencil drawn on a piece of paper? What is the component/material that is on the pencil that gives a high resistance? With the values given on the images, what are the corresponding color codes (indicate tolerance using a 4-band color code scheme)? If the first value is connected in series with the other value, what is the total resistance? If it’s parallel what is the total resistance? 0.449 mega ohms 102.2 kilo ohms
The resistance of a certain aluminum power line is 150 Ω at 200 Find the line resistance when the sun heats up the line to 420C. First, use the inferred zero resistance temperature formula and then the temperature coefficient of resistance formula to show that the two formulas are equivalent.
Solve the following Numerical problems a. What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge? b. A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load? c. If one branch of a 120-V power line is protected by a fuse of 20-A. Will the fuse carry 10-Ohm load? d. If total resistance of a series circuit is 280-Ohm. If one of the resistance is 160-Ohm. What is the sum of other two resistances?
A sample of wire (1 mm in diameter by 1 m in diameter) length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit, as shown in the figure next to. A voltage drop of 432 mV is measured at wire length when it carries a 10 A current. Calculate the conductivity of this alloy.
ADVANCED PHYSICS (THUMBS UP WILL BE GIVEN. PLEASE CHOOSE THE CORRECT ANSWER. NO LONG EXPLANATION NEEDED.) Consider the circuit shown below. The cross-sectional areas of the battery, the wire, and the bulb filament are 10.0 cm2, 5.00 mm2 and 0.200 mm2 respectively. Which of the following statements is/are TRUE? I. The current density in the battery is greater than that in the bulb filament.II. The current densities in the battery, in the wire, and in the bulb filament are equal.III. The currents in the battery, in the wire, and in the bulb filament are equal. choices: a. I and III only b. II only c. II and III only d. I only e. III only
An aluminum wire 7.5m long is connected in parallel with a copper wire 6m long. When a current of 5A is passed through the combination, it is found that the current in the aluminum wire is 3A. If the diameter of the aluminum wire is 1mm, determine the diameter of the copper wire. Assume the resistivity of copper to be 0.017µΩm and that of aluminum to be 0.028 µΩm. Major Topic 7 Factors that affect the resistance
Please give me ateast 3 topics in Electrical Engineering thesis ideas. give atleast 1 paragraph explanation regarding the topics and its uses in the community. thanks!
7. A conducting wire has a cross-sectional area of 2 mm² and a specific resistance of 5x10 m. designed for a heater with a power of 1200 Watt, operating at different potential 220 V. Determine a. Required wire length (L.) b. Large current on the wire c. Electrical energy is transferred into thermal energy within 15 minutes d. What is the power of the stove if the length of the wire is half the length in problem a (1/2)
A rear-window defogger in a car consists of 13 resistive wires connected in parallel to a 12-v battery. Assume that the defogger can melt 2.1 x 10-2 kg of ice at 0C to liquid water at 0C in two minutes. Each wire has a length of 1.30m. What should the resistance/ length of the wires be? Your answer should be in ohms/m.
A coil of copper wire in a resistance of 90 Ω at 20o C and is connected to a 230 V supply. By how much must the voltage be increased in order to maintain the current constant if the temperature of the coil rises to 60C. Take the temperature coefficient of resistance of copper 0 0.00428/ oC A kilometer of wire having a diameter of 11.77 mm and a resistance of 0.031 Ω is drawn down so that its diameter is 5.0 mm. What does its resistance become?
You’re working on a new high-speed rail system. It uses 6000-horsepower electric locomotives, getting power from a sin-gle overhead wire with resistance 15 mΩ/km, at 25 kV potential relative to the track. Current returns through the track, whose resistance is negligible. Energy-efficiency standards call for no more than 3% power loss in the wire. How far from the power plant can the train go and still meet this standard?