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A radio is operated by eight cells each of e.m.f. 2.0V connected in series. If t...


Question

A radio is operated by eight cells each of e.m.f. 2.0V connected in series. If two of the cells are wrongly connected, the net e.m.f. of the radio is

Options

A) 8V

B) 10V

C) 12V

D) 16V


The correct answer is C.

Explanation:

Net e.m.f = (8 x 2) - (2 x 2)

= 12V


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