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Physics MCQ Questions with answers

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Learn Physics MCQs [Page 1 of Department 10]

R

Ram Sharma • 178.08K Points
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1) In the case of D.C shunt generator, as the load current increases, the terminal voltage

(A) Increases linearly from zero
(B) Remain constant
(C) Decreases gradually slightly from a maximum value
(D) Decreases linearly from maximum to zero
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

2) Metals are good conductors of electricity because

(A) They have high melting point
(B) The atoms are lightly packed
(C) They contain free electrons
(D) All of the above
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

4) Non-conductors whose polarisation is caused by an electric field are known as

(A) Super-conductors
(B) Semi-conductors
(C) Dielectric
(D) Insulators
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

5) Which of the following statement is true?

(A) A galvanometer with low resistance in parallel is a voltmeter
(B) A galvanometer with high resistance in series is an ammeter
(C) A galvanometer with high resistance in parallel is a voltmeter
(D) A galvanometer with low resistance in series is an ammeter
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

6) Pressure cooker cooks rice faster because

(A) High pressure crushes the hard covering of rice grains
(B) High pressure raises the boiling point of water
(C) It does not let the heat energy escape easily
(D) It always lets the steam escape
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

7) The purpose of laminating a transformer core is

(A) Increase the main flux
(B) Laminated core provides high flux density
(C) Difficulty of fabricating solid core
(D) Avoid eddy current and hysteresis losses
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.08K Points
Coach

8) Larger buildings may be supplied with a medium voltage electricity supply, and will require a substation or mini-sub. What is the main item of equipment contained in these?

(A) Transducer
(B) Transponder
(C) Converter
(D) Transformer
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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