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Basic Electrical Practice
15

Basic Electrical Practice MCQ with Answers

15) Which is directly proportional to the resistance?

Area of cross section

Length

Resistivity

Temperature

Answer is:

Length

Basic Electrical Practice MCQ with Answers

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Related Basic Electrical Practice MCQ with Answers

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

P=I²xR

P=R/V²

P = IR

P =I/V

Answer is:

P=I²xR

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

Decrease

Remains same

Increase 2 times

Increase to 1.5 times

Answer is:

Decrease

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

Krichoffs current Law

Krichoffs voltage Law

Law of Resistance

Ohm's law

Answer is:

Krichoffs voltage Law

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

Ohm's law

Krichoffs Law

Laws of Resistance

Lenz's law

Answer is:

Krichoffs Law

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