Directions : In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as :
(a) If both assertion and reason are true and reason is the correct explanation of assertion.
\( \mathrm{P} \)
(b) If both assertion and reason are true but reason is not the correct explanation of assertion.
(c) If assertion is true but reason is false.
W
(d) If both assertion and reason are false.
Assertion : Current is passed through a metallic
wire, heating it red. Half of its portion is cooled
by cold water jacket, then rest of the half portion
become more hot.
Reason : Resistances decreases due to decrease in
temperature and so current through wire increases.
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