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Wireman Set-1
Basic Electrical Practice
17

Basic Electrical Practice MCQ with Answers

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

Basic Electrical Practice MCQ with Answers

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Related Basic Electrical Practice MCQ with Answers

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

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

Voltmeter ammeter method

Slide wire, bridge method

Post office base method

Kelvin bridge method

Answer is:

Voltmeter ammeter method

21) Which defines that the changes in resistance in ohm per 1 Degree Centigrade rise in temperature?

Thermal expansion

Thermal conductivity

Temperature coefficient

Thermo dynamics

Answer is:

Temperature coefficient

Basic Electrical Practice MCQ with Answers

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