Connect a 6V bulb to a 6V source. Using a multimeter, measure the resistance of the bulb when the circuit is switched off. Switch on the bulb for a short time, then switch it off and immediately measure its resistance.
(i) Is the resistance the same in both the situations?
(ii) When the circuit was switched on, was the temperature of the bulb low or high?
(iii) Did the resistance increase or decrease when the temperature was increased?
(iv) List the factors affecting the resistance of a conductor?
