If the potential difference between the ends of a fixed resistor is halved, the electric power will become:

If the potential difference between the end of a wire of mixed resistance is doubled, by how much does the electric power increase?

If the current flowing through a fixed resistor is halved, the heat produced in it will become:

If the current flowing through a fixed resistor is halved, the heat produced in it will become:

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-