Question

A wire of length 2 m, area of cross-section 0.5 mm

2

and resistivity 1.5 × 10-6 Ωm is connected in

series with a cell of emf 4 V. If the current through the wire is 0.5 A, calculate: (a) the internal

resistance of the cell and (b) the rate of energy dissipated by the wire.​

Answer 1

Explanation:

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