Electricity

Here are some MCQs on Electricity

1. What is the SI unit of electric current?

a) Ampere

b) Ohm

c) Volt

d) Watt

2. What is the formula to calculate electric current?

a) I = V/R

b) I = P/V

c) I = V x R

d) I = W/V

3. What is the resistance of a circuit if the voltage is 12V and the current is 3A?

a) 4Ω

b) 36Ω

c) 15Ω

d) 9Ω

4. What is the SI unit of electric potential difference?

a) Ampere

b) Ohm

c) Volt

d) Watt

5. What is the formula to calculate electric power?

a) P = V/I

b) P = I/R

c) P = V x I

d) P = R/I