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+2 votes
13.3k views
in Physics by (35.0k points)

A conducting wire of length '\(l\)', area of cross-section A and electric resistivity ρ is connected between the terminals of a battery. A potential difference V is developed between its ends, causing an electric current.

If the length of the wire of the same material is doubled and the area of cross-section is halved, the resultant current would be :

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1 Answer

+2 votes
by (34.6k points)

Correct option is (1) \(\frac 14\frac{VA}{\rho l}\) 

As per the question

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