Here are some MCQs on Electricity
1. What is the SI unit of electric current?
a) Ampere
b) Ohm
c) Volt
d) Watt
Answer: a) Ampere
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
Answer: a) I = V/R
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
Answer: a) 4Ω
4. What is the SI unit of electric potential difference?
a) Ampere
b) Ohm
c) Volt
d) Watt
Answer: c) Volt
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
Answer: c) P = V x I
