NEC Electronics · 2081 · Question 39In a circuit with a 70V source, a series 5Ω resistor, and parallel branches of 7Ω and an unknown resistor R carrying 2A, find the value of R:
Kirchhoff's Laws
A17.5 Ω
B17.2 Ω
C17.4 Ω
D17.8 Ω
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