This question has Statement l and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement - I : In a metre-bridge experiment, null point for anknown 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 - II: Resistance of a metal remains constant with increase in temperature.
(1) Statement - I : true, Statement - II is true, Statement - II is a correct explanation of Statement -I
(2) Statement -I is true, Statement -II is true, Statement - H is not a correct explanation of Statement -1.
(3) Statement - I : is true, Statement - II is false.
(4) Statement - I : is false, Statement - II true. (5) Statement - I is false, Statement - II false.

Answer

D