An electric bulb of resistance `400 Omega`, draws a current of `0.5 A`. Calculate the power of the bulb and the potential difference at its ends.

An electric bulb of resistance 500Omega , draws a current of 0.4 A. Calculate the power of the bulb and the potential difference at its end.

a) What is the resistance of a conductor? Mention the factors on which the resistance of a conductor depend. b) b) An electric bulb of 200 Omega draws a current of 1 ampere. Calculate the power of the bulb the potential difference at its ends and the energy in KWh consumed burning it for 5h.