Basic Electrical Practice MCQ with Answers

Basic Electrical Practice MCQ with Answers

16) What is formula to calculate electric power (P)?

Answer is:

P=I²xR

17) What is the change in total resistance value, if additional resistor is connected in a parallel circuit?

Answer is:

Decrease

18) Which law states that in each closed circuit the sum of all voltage drops are equal to zero?

Answer is:

Krichoffs voltage Law

19) Which law is used to determine the equivalent resistance of the network and the current?

Answer is:

Krichoffs Law

20) Which is the simplest method used to measure low resistance?

Answer is:

Voltmeter ammeter method