2 . 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.
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2 . 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.
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Answer:
both assertion and reason are true and reason is the correct explanation of assertion
Answer:
both Re true and r is the