Physics
A dynamo is a device which

Creates mechanical energy
Creates electrical energy
Converts mechanical energy into electrical energy
Converts electrical energy into mechanical energy

ANSWER DOWNLOAD EXAMIANS APP

Physics
Indicate the false statement about the resistance of a wire

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
Resistance of metallic wire increases with increase in temperature

ANSWER DOWNLOAD EXAMIANS APP