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

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

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Physics
Hydro-electric power is a:

non-renewable natural resource
A mixture of renewable and non-renewable natural resource
Renewable natural resource
Neither renewable nor non renewable resource

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Physics
A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps

It will fall down at the same place where the string breaks
None of these
The ball will travel towards the center of the circle and fall down
It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down

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