If a resistor is to carry 4 A of current and handle 100 W of power, how  many ohms must it be

Q: If the voltage of a circuit is 12 V, and the resistance is 40 Q, what is the power generated?

A: Given:-V=12voltR=40ohm

Q: 100 volt bulb has a resistance of 500 ohms. The number of hours it can work for every Wh of energy…

A: Power consumed by the bulb =Voltage2Resistance Energy = power(watts)*time(hours) Wh

Q: An electronic device has a resistance of 30 Ohms and a current of 20 A. What is the voltage across…

A: Using ohms law , find the voltage across the device. By ohms voltage across the resistance = current…

Q: compute for the voltage if the current is 30mA and the resistance is 27k ohm

A: Given: Current, I=30 mA Resistance R=27 kΩ

Q: What is the power absorbed in Watts by a resistor with resistance of 5.00 is connected to a voltage…

A: Given: Resistor with resistance, R=5 Ω Voltage source with voltage, V = 2.7 V

Q: 1. Find the voltage, current and power at 3 ohms resistor. 10 ww 50 20 ww- ww ww

A:

Q: The current through a resistance is observed to be 117.3 Amp when 34.2 volt is applied across it.…

A: Given that  V1=34.20I1=117.30V2=37.1 Volt According to ohm's law resistance of given resistor is…

Q: If a resistor has 5.5 V across it and 3 mA flowing through it, what is the power?

A: Given: A resistor with voltage 5.5 V across it and current 3 mA through it.

Q: Let the voltage output of the battery be 12.0 V. What are the voltage across and the current in each…

A: The solution for the given is; Current flowing through 1ohm resistor is, I=VRI=121I=12 A Then, the…

Q: 3. What will be the value of the current that flows in a 20ohm resistor if the voltage across the…

A:

Q: Find the current in 4 ohm resistor

A: Given circuit:

Q: What is the power rating (in kW) of a device which has a resistance of 150 ohms and draws 6Amps of…

A: Given: Resistance R = 150 ohms             Current I = 6A We need to determine power rating of…

Q: An electric heater draws 10 A from a 120 V-line . the resistance of the heater is

A: Given  I =10 A V=120v By ohm's law   V=IR

Q: 5. A copper wire has a resistance of 2 ohms it was drawn under pressure so that its diameter is…

A: Given, a copper wire has a Resistance, Rold = 2 ohms Diameter, dold = d When, Diameter, dnew = d/2 (…

Q: If a resistor is to carry 1 A of current and handle 100 W of power, how many ohms must it be?

A:

Q: 1. What is the color code of 333k2, ±10% five band resistor? 2. What is the tolerance of a 3 band…

A: This question belongs to basic electrical . It is based on the concept of calculation of resistance…

Q: power

A:

Q: Q2: Find the power absorbed in 80 resistor. 31 6A

A:

Q: across a resistance is doubled, what will happen to the power absorbed by 2. If the voltage the…

A: 2. Given, Voltage across a resistor is doubled.

Q: Determine the voltage v across the 10-ohm resistor.

A: This is the question of circuit analysis. It can be solved with kirchhoff's voltage law (kvl).

Q: An electric heater is used for 2hrs daily. The monthly bill of the electricity is 10$. The rate of…

A: The monthly electricity bill evaluated as:

Q: Calculate the current in the 40 ohm resistor, the emf in battery 1, and the value of the resistor.

A:

Q: If 750 µA is flowing through 11 k ohms of resistance, what is the voltage drop across the resistor?

A:

Q: Find the current in 3 ohm resistor

A: Given circuit,

Q: If a 100-Ω resistor is connected across the terminals of a 12-V battery, how much is the current, I?

A: To find the value of current in resistor with the value of resistance 100Ω and a voltage of 12V…

Q: Which is the power in the 20-ohm resistor? choices: 100W, 20W, 40w, 80w

A:

Q: A 2.2 N resistor is to be made of nichrome wire. If the available wire is 1/32 in. in diameter, how…

A: Given parameters are: Resistance, R=2.2Ω Diameter of the wire, D=132inch=0.03125inch We are…

Q: 5. 1 4 2 3 b . a) Find the resistance between points (a) and (b). b) If the current in the 5 ohm…

A:

Q: What will be the amount of work done by a 200 ohm resistor carrying a current of 20 A for 20 hours?

A: For electrical circuits, power can be defined as work done per unit time. So, product of power and…

Q: What are the color of the bands of a 20%, 2.7 mega ohm resistor

A:

Q: the voltage , v, equal to _______ in a 30 a of current in a 120-kohms resistor.

A: Given data: Current I = 30A Resistance  R= 120 k ohm The relationship between voltage (V), current…

Q: How long does it take a 100 W bulb to consume 13 KJ of energy?

A: Given: The bulb rating is P=100 W The energy consumed is 13 KJ

Q: Find the voltage(V) in V across 4 kn resistor. 15 V 1kn ww 10 mA 4 Ka 25 V 3 k2

A: In this question,  Find the voltage V across the resistance R= 4k ohm.  We are solving this problem…

Q: Find the voltage V and current through 52 resistor if V1=20 volt. ww V, 6 A ww.

A: To  analyze the complex circuit and find the current and voltage in the component, it is advised to…

Q: The length of AWG# 0000 copper wire that has a resistance of 4.9 Ω@ 20°C is

A:

Q: If the current through the 100k-ohm resistor is 3.6 micro ampere. What is the voltage drop across…

A: Using the Ohm’s law the value of the voltage drop can be evaluated:

Q: 1. An Iphone uses a standard 1.5V battery. How much resistance is in the circuit if it uses a…

A:

Q: If a resistor is to carry 1 A of current and handle 100 W of power, how many ohms must it be? Assume…

A: Given, Current carried by resistor I=1 A Power handle P=100 W

Q: 10. When there is 12 mA of current through a 1.2 kn resistor, the voltage across the resistor is

A:

Q: A resistor of 3 Ω resistance consumes a power of 108 W, the value of the current flowing through it…

A: The solution can be achieved as follows.

Q: For a given wire gauge, the longer the wire the greater the resistence. A copper wire 750ft long has…

A: Given: Length of copper wire, l=750 ft And resistance of 750 ft. long wire, R=1.89 Ω For the same…

Q: 1. What is the nominal resistance of a resistor with the following color rings: Blue, Grey, Orange,…

A: To find the value of resistance with color coding as Blue, Grey , orange , silver

Q: If 50 A current is flowing in the 2 ohm resistor. What will be the dissipated power and voltage…

A:

Q: The Power dissipated by a 1k ohm resistor when a current of 10mA flows through it is :

A: Given Data: R = 1 k ohm I = 10 mA

Q: Calculate the voltage needed to supply 2 A through a resistance of 30 ohms

A: It is given that: Current=I=2 AResistance=R=30 Ω

Q: 1Ω : 1Ω HA (†

A: Given circuit shown

Q: Give the resistance if the voltage supplied is 12V and the current measured is 2mA

A:

Q: What is the Ah rating of a battery that can provide 0.8 A for 75 h

A: Ah rating is given by = Current × Time in hour

Q: What power is dissipated in a resistor with color bands: Red, Black, Brown, Gold when 42.7 mA is…

A: