1kWh=

(1) 1000W

(2) 36×105J

(3) 1000J

(4) 3600J

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Universal time is based on :

(1) Rotation of the earth on its axis

(2) Earth's orbital motion around the Sun

(3) Vibrations of cesium atom

(4) Oscillations of quartz crystal

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Unit of moment of inertia in MKS system 

(1) kg×cm2

(2) kg/cm2

(3) kg×m2

(4) Joule×m

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Unit of stress is 

(1) N/m

(2) Nm

(3) N/m2

(4) Nm2

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Unit of magnetic moment is

(1) Amperemetre2

(2) Amperemetre

(3) Webermetre2

(4) Weber​​/metre

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Curie is a unit of 

(1) Energy of γ-rays

(2) Half life

(3) Radioactivity

(4) Intensity of γ-rays

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Hertz is the unit of

(1) Frequency

(2) Force

(3) Electric charge

(4) Magnetic flux

Concept Questions :-

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One pico Farad is equal to

(1) 1024F

(2) 1018F

(3) 1012F

(4) 106F

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In SI, Henry is the unit of 

(1) Self inductance

(2) Mutual inductance

(3) (1) and (2) both

(4) None of the above

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The unit of e.m.f. is 

(1) Joule

(2) Joule-Coulomb

(3) VoltCoulomb

(4) Joule/Coulomb

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