PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity
Problem
STATEMENT-1 : In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put inside an enclosure maintained at a higher temperature. The null point can be obtained at the same point as before by decreasing the value of the standard resistance.
STATEMENT-2 : Resistance of a metal increases with increase in temperature. [2008]
(1) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1
(2) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1
(3) Statement -1 is True, Statement-2 is False
(4) Statement-1 is False, Statement-2 is True