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This is an MCQ-based quiz on the topic of ELECTRICITY: Ohms Law numerical quiz.
This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.
A sub-woofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is the resistance of the sub-woofer?
2
20
22
24
An alarm clock draws 0.5 A current when connected to a 120 V circuit. Find its resistance.
240
250
200
260
In the following circuits, find the unknowns. 
1200
120
12
1.0
In a circuit, the potential drop across the 10 kΩ -resistor is 100 V. What is the current through the resistor in A?
0.1
0.01
1
10
In the circuit shown below, how much current does the ammeter show?
1.25
2
13
0
A current of 0.2A passes through a 1.4kΩ resistor. What is the voltage across it?
200V
280V
300V
320V
A current of 0.2A passes through a 1.4kΩ resistor. What is the voltage across it?
200V
280V
300V
320V
3−V potential difference is applied across a 6 resistor. What is the current that flows into the resistor?
0A
1A
0.5A
2A
An electronic device has a resistance of 20 ohms and a current of 15 A. What is the voltage across the device?
300V
30V
12V
3V
What is the current in this circuit?
6A
2A
0.5A
0
