1.

Assertion (A) : At high temperatures, metal wires have a greater chance of short circuiting. Reason (R) : Both resistance and resistivity of a material vary with temperature.

Answer»

Both (A) and (R) are TRUE and (R) is correct explanation of the ASSERTION
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is FALSE
(A) is false but (R) is true.

Solution :Both (A) and (R) are true but (R) is not the correct explanation of the assertion.


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