Questions
A copper conductor of fixed length has a variable cross sectional area. A battery of emf E is connected between the ends of the conductor. If represents average drift velocity of free electrons at a section of area A, then
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Correct option is B
Vd=Jne=(iA)ne=(ine)1ASince same current i is flowing through all sections of the conductor, we can conclude Vd∝1ASimilar Questions
A potential difference is applied across the ends of a metallic wire. If the potential difference doubled, the drift velocity
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