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In the given circuit diagram the current through the 1 Ω resistor is I . Find the value of 2 I (in A )?

Correct answer

5

Step-by-step solution

V - 20 2 + V 2 + V - 5 = 0 V - 20 + V + 2 V - 5 = 0 ⇒ 4 V - 20 - 10 = 0 V = 30 4 = 15 2 V I = 15 - 10 2 = 5 2 A ⇒ 2 I = 5 A

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