Current Electricity and Electrical InstrumentHard
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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