Physics
In the case of bodies falling under gravity which of the following remains constant at a given place?

Acceleration
Potential energy
Kinetic energy
All listed here

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Physics
Indicate the false statement about the resistance of a wire

It depends on material of wire
It is directly proportional to the area of cross-section of wire
Resistance of metallic wire increases with increase in temperature
It is directly proportional to the length of wire

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