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Physics

Physics
What is the value of 1 kW = ?

100 W
10 W
1000 W
10000 W

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Physics
The width of depletion layer of a P-N junction

Decreases with light doping
Is independent of applied voltage
Increases with heavy doping
Is increased under reverse bias

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Physics
An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

Ve = Vp
Ve > Vp
Ve < Vp
Cannot be determined

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Physics
Energy stored in the nucleus of an atom is called

Kinetic energy
Potential energy
Nuclear energy
Atomic energy

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Physics
The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.

2 m/s
2 m
2 m/sq.s
2 s

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Physics
The ''four stroke petrol engine' is based on

Diesel-cycle
Otto-cycle
Carnot-cycle
Boyle's-cycle

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