A constant voltage is applied between the two ends of a metallic wire. – McqOptions

MCQOPTIONS

1.	A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire [MP PMT 1996]
A.	Will be doubled
B.	Will be halved
C.	Will remain the same
D.	Will be quadrupled
Answer» B. Will be halved

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