Q:
A circuit consists of an excitation voltage VS, a resistor network and a resistor R. For different values of R, the values of V and I are as given, R = ?, V = 5 volt; R = 0, I = 2.5 A; when R = 3 ?, the value of V is __________
A) 1 V
|
B) 2 V
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C) 3 V
| D) 5 V
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Explanation