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Ohm’s Law Quiz
- 20 Questions (Selected Randomly)
- 20 Marks (1 Mark/Question)
- 20 Minutes of Time
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- Answered
- Review
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Question 1 of 20
1. Question
Ohm’s law cannot be applied to …..
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Question 2 of 20
2. Question
The condition for the validity of Ohm’s law is that …..
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Question 3 of 20
3. Question
Which of the following relation is not correct?
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Question 4 of 20
4. Question
What will be the potential difference across a 50Ω resistor if a current of 500mA is flowing through it?
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Question 5 of 20
5. Question
What current will be needed to produce a voltage of 5V cross a 12kΩ resistor?
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Question 6 of 20
6. Question
When the values of V and R are known, how to find out the value of I …..
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Question 7 of 20
7. Question
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?
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Question 8 of 20
8. Question
How much resistance is required to limit the current from a 12 V battery to 1.6 mA?
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Question 9 of 20
9. Question
What is the voltage source for a circuit carrying 2A of current through a 45Ω resistor?
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Question 10 of 20
10. Question
What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?
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Question 11 of 20
11. Question
What is the approximate filament resistance of a light bulb if it operates from a 120 V source and 0.6 A of current is flowing?
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Question 12 of 20
12. Question
Which is the correct statement of Ohm’s Law?
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Question 13 of 20
13. Question
What is the current drawn by an electric heater rated 7200 watts at 120 volts?
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Question 14 of 20
14. Question
An ohmmeter indicates a resistance of 4800V electric heaters to be 120Ω. What is the current drawn by the heater?
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Question 15 of 20
15. Question
How much power is consumed by a 240V circuit that draws 20A current?
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Question 16 of 20
16. Question
A 1500W electric oven is connected to a 300V circuit what is the resistance of the heating element?
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Question 17 of 20
17. Question
A light bulb has a rating of 100W at 115V. What is the current drawn by it, when it is connected to source a 115V.
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Question 18 of 20
18. Question
An example of the ohmic conductor is …..
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Question 19 of 20
19. Question
The relation between the voltage across and current through a conductor was first discovered by German Scientist …..
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Question 20 of 20
20. Question
Ohm’s law is true for …..