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 metal increases with increase in temperature.
A. both assertion and reason are true and the reason is Assertion and Reason explanation of the Assertion
B. both assertion and reason are true and the reason is Assertion and the correct explanation of the Assertion
C. Assertion is true , but the reason is false
D. both assertion and reason are false