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Q:

What is the unit of the physical quantity, Illuminance?

A) siemens B) tesla
C) lux D) weber
 
Answer & Explanation Answer: C) lux

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Q:

What is the unit of resistance?

A) ohm B) farad
C) henry D) weber
 
Answer & Explanation Answer: A) ohm

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Q:

Why metals conduct electricity?

A) Because of low melting point B) Because of high tensile strength
C) Because of free electrons D) Because of high atomic density
 
Answer & Explanation Answer: C) Because of free electrons

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Q:

A galvanometer can be converted to a voltmeter by connecting

A) a high resistance in parallel B) a high resistance in series
C) a low resistance in series D) a low resistance in parallel
 
Answer & Explanation Answer: B) a high resistance in series

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Q:

Atmospheric pressure is measured by __________.

A) Barometer B) Hexameter
C) Nanometer D) Glaxometer
 
Answer & Explanation Answer: A) Barometer

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Q:

Resistance switching is normally employed in

A) Bulk oil breakers B) All breakers
C) Air blast circuit breakers D) Minimum oil breakers
 
Answer & Explanation Answer: C) Air blast circuit breakers

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Q:

The atomic bomb is based on the principle of

A) Uncontrolled nuclear fusion B) Uncontrolled nuclear fission
C) Controlled nuclear fission D) Controlled nuclear fusion
 
Answer & Explanation Answer: B) Uncontrolled nuclear fission

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Q:

What is the SI unit of pressure?

A) Newton B) Weber
C) Pascal D) Henry
 
Answer & Explanation Answer: C) Pascal

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