Current Electricity and Electrical InstrumentMedium

Question

In the ladder network shown, current through the resistor 3 Ω is 0.25 A. The input voltage ′V′ is equal to

Options

A.10 V
B.20 V
C.5 V
D. 15/2 V

Solution


Req = 7 + 4 + 9  = 20Ω
V = IReq = 1 × 20 = 20 V

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