A potential difference of V is applied at the ends of a copper wire of – McqOptions

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1.	A potential difference of V is applied at the ends of a copper wire of length l and diameter d. On doubling only d, drift velocity [MP PET 1995]
A.	Becomes two times
B.	Becomes half
C.	Does not change
D.	Becomes one fourth
Answer» D. Becomes one fourth

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