5- chapter27-question28 The current in a resistor decreases by 3.00 A when the voltage applied across the resistor decreases from 12.0 V to 6.00 V. Find the resistance (in 0) of the resistors. Option1 Option2 Option3 Option4 Option5 3 1

5- chapter27-question28 The current in a resistor decreases by 3.00 A when the voltage applied across the resistor decreases from 12.0 V to 6.00 V. Find the resistance (in 0) of the resistors. Option1 Option2 Option3 Option4 Option5 3 1

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 8CQ: The [R drop across a resistor means that there is a change in potential or voltage across the...

See similar textbooks

Related questions

Q: A heart defibrillator passes 10.0 A through a patient’s torso for 5.00 ms in an attempt to restore…

Q: 79. Consider 10.0 2 25.0 V the circuit shown. Find (a) 10.02 the current in the 20.0-2 resistor and…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: he drawing shows a circuit that includes a bimetallic strip (made from brass and steel) with a…

A: Given:- circuit that includes a bimetallic strip (made from brass and steel) a resistance heater…

Q: 5. In the circuit below, Ry is a variable resistor. If the R1 resistance of Ry is increased, what…

A: 1. According to the given question, here resistor is connected to the given circuit across different…

Q: 17. A commercial printer uses an average power of 400 W while printing. If its total resistance is…

Q: A single device that uses lots of electricy (voltage and or current) is LESS likely to…

A: Given statement : "A single device that uses lots of electricity (voltage and or current) is LESS…

Q: 13- chapter28-question17 Four 20-0 resistors are connected in series and the combination is…

Q: 9. As more resistors are added in series to a constant voltage source, the power supplied by the…

A: An electrical component that provides hindrance to the current's flow through the circuit is known…

Q: 19- Which of the following must be done in order for a current to flow through a conducting wire? A)…

A: For flow of current through the wire, there must be potential difference across the wire.

Q: (LO-4) What is the current which is seen on ammeter in circuit given below? 3 ohm 1 ohm 2 ohm A °4…

A: Answer: Option c

Q: Electromotive Force: Terminal Voltage• Compare and contrast the voltage and the electromagnetic…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 3. In a circuit, a variable resistor is to be connected across a potential difference of 60 V to…

Q: 13 - chapter28-question14 Calculate the power (in Watt) delivered to resistor 20 in the circuit…

Q: 67. You're estimating costs for a new power line with your compa- ny's financial group. Engineering…

A: Given resistance 50mohm/km Density of copper =8.9g/cm^3 Density of aluminum =2.7g/cm3 Cost of…

Q: Question 34.) A short circuit in a 120 V appliance cord has a 0.35 Ω resistance. 1.) Calculate the…

Q: 21. The label on a battery-powered radio recommends the use of a rechargeable nickel-cadmium cell…

Q: 9 A circuit featuring three resistors in parallel is shown here. Apply Kirchhoff's second law on a…

Q: 3. In a test on breakdown voltages, V kilovolts, for insulation for different thicknesses, t…

A: The relation between the breakdown voltage (V) and thickness of the insulator (t) is given as :…

Q: 8. In this circuit, the current through the 5-2 resistor is approximately 100 V 10Ω 10Ω A) 4 A B) 20…

Q: 7. chapter27-question24 A metal wire of resistance R is cut into three equal pieces that are then…

Q: chapter28 In Figure, the ideal batteries have emfs & = 150 V and E = 50 V and the resistances are R…

A: Remember: If we are going in from negative terminal of battery to positive terminal, then use +ve…

Q: 32. An electronic device designed to operate at anytemperature in the range from –10.0ºC to 55.0ºC…

A: Given: range of temperature = -10o to 55o C. thermal constant of carbon = 0.5×10-3 /oC.

Q: 20 - chapter28-question13 Calculate the current (in A) in 7 fl resistor if a potential difference of…

Q: 4. In the circuit shown in the figure below, the switch S is initially open and the capacitors…

Q: In 20 20 1. II. 20 40 20 III. IV. Which 2 circuits have the same total resistance?

Q: • Question 2 The current in a wire varies with time according to I(t)= 4+1.2t, where I is in Ampere…

Q: 03/ For the circuit shown in figure (2), by using mesh anal ysis, 1- Find the current through the…

Q: Question #10. If a 30 resistor is placed between R1 and R2, while a 20 Q resistor is between R3 and…

A: Given: The 3 Ω resistance is placed between R1 and R2. The 20 Ω resistance is placed between R3 and…

Q: 6. chapter27-question20 A 4.0 kW heater element from a dryer has a length of 100 cm. If a 20 cm…

A: Given: Power P = 4.0 kW. Initial length L1 = 100 cm. Final length L2 = 80 cm. Voltage V = 120 V. To…

Q: 60. V 29. Base your answer to the following question on the diagram below which represents two…

A: Given :- voltage V = 30 volt Total Resistance R = 6 ohm

Q: 4 - In the circuit with the resistors R1, R2, and a DC power source, 20 V is observed from the…

A: We need to calculate the current through the ampermeter.

Q: ☐☐ 41. An airplane deicer melts 0.10 kg of ice from the wings of an airplane each minute. The deicer…

Q: 9- A student observed that a lamp connected to RC circuit was on for 2.5 seconds if the capacitance…

A: Given: T = 2.5 seconds; C = 500 uF = 500 x 10-6 F; R = 100 ohms.

Q: 13- chapter27-question33 When potential difference across a given copper wire increases, drift…

A: When potential difference across a copper wire is increased then the number of electrons flowing…

Q: 16 - chapter28-question34 A total resistance of 6.00 is to be produced by connecting an unknown…

A: Total resistance, RT=6 ῼ unknown resistance, R1=15 ῼ

Q: 22 The figure shows five combinations of identical resistors. Rank in order, from largest to…

Q: 9. chapter27-question5 An ordinary light bulb is marked "60W, 120V". Its resistance is(in N):…

Q: 25) Four unequal resistors are connected in series with each other. Which one of the following…

A: Let there be three resistors R1 , R2 , R3 . Then their equivalent resistance is given as , R =…

Q: 20 - What is the potential difference between points L and M in the circuit in the figure? Note: The…

Q: 56. What is the maximum voltage that can be applied to a 10-k 2 resistor rated at W

A: Solution: Given that R = 10000 ohm P = 0.25 W By the Power formula we know that: Power (P) = V2 /…

Q: (LO-4) What is the current which is seen on ammeter in circuit given below? 3 ohm 1 ohm 2 ohm A 4…

Q: 5-Two resistors of resistances R and 2R are connected in parallel to an ideal battery. If the Power…

A: Power dissipated in a resistor in terms of voltage is given by the relation P…

Q: 4. The newest generation of smartphone uses three different batteries connected in a series…

A: When cells are connected in series to form a battery, the net potential difference between the…

Q: 5- chapter27-question4 A certain wire has resistance R. Another wire, of the same material, has half…

Q: 30) Four unequal resistors are connected in a parallel with each other. Which one of the following…

A: in this question we use combination of resistors with parallel with each other.

Q: Why is it dangerous to use an electric shaver while taking a bath? and What do you mean by short…

A: Electric shaver is the shaver operated with the electricity (whether alternate current or direct…

Q: An uncharged capacitor of capacitance C is charged through a resistor R with a battery of emf ε.…

Q: 8. One light bulb in the kitchen burns out and suddenly several lights go out in the house. This…

Q: 5. When a light bulb is connected across the terminals of a battery, the battery delivers 22.0 W of…

Question

100%

Thank you :)

6- chapter27-question28
The current in a resistor decreases by 3.00 A when the voltage applied across the resistor decreases from
12.0 V to 6.00 V. Find the resistance (in Q) of the resistors.
Option1 Option2 Option3 Option4 OptionS
3.
2.
a)
Option2
b) O Option1
2011
c)
Option5
d) O Option3
e) O Option4

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

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, physics and related others by exploring similar questions and additional content below.

Similar questions

An automobile starter motor has an equivalent resistance of 0.0500 and is supplied by a 12.0-V battery with a 0.0100- internal resistance, (a) What is the current to the motor? (b) What voltage is applied to it? (c) What power is supplied to the motor? (d) Repeat these calculations for when the battery connections are corroded and add 0.0900 to the circuit. (Significant problems are caused by even small amounts of unwanted resistance in low-voltage, high-current applications.)
Would your headlights dim when you start your car's engine if the wires in your automobile were superconductors? (Do not neglect the battery’s internal resistance.) Explain.
An electronic device designed to operate at any temperature in the range from -10.0°C to 55.0°C contains pure carbon resistors. By what factor does their resistance increase over this range?
The [R drop across a resistor means that there is a change in potential or voltage across the resistor. Is there any change in current as it passes through a resistor? Explain.
Integrated Concepts A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg. °C, assuming no heat escapes?
If the drift velocity in a conductor is so small, then why does an auto battery influence the starter as soon as you turn the ignition switch?
What are the largest and smallest resistances you can obtain by connecting a 36.0-O, a 50.0-O, and a 700-O resistor together?
Consider the circuit shown in Figure P18.10. (a) Calculate the equivalent resistance of the 10.0- and 5.00- resistors connected in parallel. (b) Using the result of part (a), calculate the combined resistance of the 10.0-, 5.00-, and 4.00- resistors. (c) Calculate the equivalent resistance of the combined resistance found in part (b) and the parallel 3.00- resistor. (d) Combine the equivalent resistance found in part (c) with the 2.00- resistor. (e) Calculate the total current in the circuit. (f) What is the voltage drop across the 2.00- resistor? (g) Subtracting the result of part (f) from the battery voltage, find the voltage across the 3.00- resistor. (h) Calculate the current in the 3.00- resistor. Figure P18.10
When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T T0)] (Eq. 17.7), where is the temperature coefficient of resistivity. (a) Show that a more precise result, which includes the length and area of a wire change when it is heated, is R=R0[1+(TT0)][1+(TT0)][1+2(TT0)] where is the coefficient of linear expansion. (See Topic 10.) (b) Compare the two results for a 2.00-m-long copper wire of radius 0.100 mm, starting at 20.0C and heated to 100.0C.
Suppose you measure the terminal voltage of a 3.2G0-V lithium cell having an internal resistance of 5.00 by placing a 1.00-k voltmeter across its terminals, (a) What current flows? (b) Find the terminal voltage, (c) To see how close the measured terminal voltage is to the emf, calculate their ratio.
Suppose you are doing a physics lab that asks you to put a resistor into a circuit, but all the resistors supplied have a larger resistance than the requested value. How would you connect the available resistances to attempt to get the smaller value asked for?
The power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance increases. Yet this power is also given by P = I2R, which means power increases if resistance increases. Explain why there is no contradiction here.