JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Physics

Question : 30 of 90

Marks: +1, -0

A copper rod of cross-sectional area A carries a uniform current I through it. At temperature T, if the volume charge density of the rod is ρ, how long will the charges take to travel a distance d ?

[15 Apr 2018 Shift 2]

‌
ρdA
I
‌
ρdA
IT
‌
2ρdA
I
‌
2ρdA
IT

Validate

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