Write the relation between electric power (W ) of a device with potential differnece (Volt) across it and current ( amp ) flowing through it.

Write the relation between electric power of a devices with potential difference across its two ends and its resistance .

Write the relation between electric power of a devices with potential difference across its two ends and its resistance .

Write the relation between electric field and electrostatic potential.

If the potential difference across the ends of a conductor is doubled, the current flowing through it gets

If the potential difference across the ends of a conductor is doubled, the current flowing through it gets

State the relationship between the power P, consumed by a device, its resistance R and current I, flowing through it An electric iron of resistance 20 ohm takes a current of 5A.Calculate its electric power?

State the relationship between the power P, consumed by a device, its resistance R and current I, flowing through it An electric iron of resistance 20 ohm takes a current of 5A.Calculate the heat generated by it in 30 seconds.