In the circuit shown, the current in the 1 Ω resistor is:

Question

In the circuit shown, the current in the 1 Ω resistor is:, 0 . 13 A , from P to Q, 1 . 3 A , from P to Q, 1 . 3 A , from Q to P, 0 . 13 A , from Q to P

MARKS App · Accepted Answer

R = 3 Ω + 2 Ω . Let potential at P = 0 , ∴ V A = 6 V , V D = − 9 V , and V Q = x . Apply K.C.L. at x , x − 6 3 + x − 0 1 + x + 9 5 = 0 . Solving, x = 3 23 V . So, current in 1 Ω ⇒ i = 3 23 − 0 1 from Q to P ⇒ i = 0 . 13 A from Q to P

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