Physics
The work done by the string of a simple pendulum during one complete oscillation is equal to

Zero
Kinetic energy of the pendulum
Potential energy of the pendulum
Total energy of the pendulum

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Physics
Indicate the false statement about the resistance of a wire

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

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