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MCQ Questions for CBSE Class 12 with Answers
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Quiz
Quiz
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Ohm's Law
1.
According to Ohm's Law, current equals the voltage divided by the _________.
Resistance
Power
Inductance
Capacitance
2.
What equation would you use to solve for voltage?
V = CI
V = PR
V = I/R
V = IR
3.
What does the letter 'I' stand for in Ohm's Law?
Inductance
Current
Capacitance
Resistance
4.
What does the letter 'R' stand for in Ohm's Law?
Resistance
Inductance
Reactance
Capacitance
5.
If the current in an electrical circuit is constant, what will happen to the voltage if the resistance is increased?
The voltage will increase
The voltage will stay the same
The voltage will decrease
6.
If there are 10 Volts across a 5 Ohm resistor, what is the current?
2 Amps
0.5 Amps
1 Amp
15 Amps
7.
If there are 40 Volts and 5 Amps running through an electrical circuit, what is the resistance of the circuit?
4 Ohms
2 Ohms
1 Ohm
8 Ohms
8.
If there are 7 Amps running through a 3 Ohm resistor, what will the voltage be across the resistor?
17 Volts
21 Volts
2.5 Volts
10 Volts
9.
If you increase the voltage across a resistor, what will happen to the current?
The current will stay the same
The current will decrease
The current will increase
10.
If you increase the size of the resistor and keep the voltage the same, what will happen to the current?
The current will stay the same
The current will increase
The current will decrease
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