Physics
A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ .

Pressure difference due to fast moving air in between
Gravitational force between train and man
Illusion of the man
The centripetal force

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Physics
Indicate the false statement about the resistance of a wire

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

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