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Basic Electrical Practice
14

Basic Electrical Practice MCQ with Answers

14) What is the effect in resistance of the conductor, if its diameter is doubled?

Increase to two times

Increase to four times

Decrease to half the value

Decrease to 1/4 th value

Answer is:

Decrease to 1/4 th value

Basic Electrical Practice MCQ with Answers

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Related Basic Electrical Practice MCQ with Answers

15) Which is directly proportional to the resistance?

Area of cross section

Length

Resistivity

Temperature

Answer is:

Length

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

Basic Electrical Practice MCQ with Answers

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