Question

In the given diagram if V_A – V_B is 23 V, then –

• A. Current through 1 Ω resistance is 3 A
• B. Current through 4Ω  resistance is 4 A
• C. Both A and B are correct
• D. Both A and B are incorrect

Answer 1

Answer: (C)

Both A and B are correct

Answer 2

V_A – V_B = 23 = I × 1 + 2 + 2 × I – 4 + 4 (I + 1)

23 = 7I + 2 ; 7I = 21 ⇒ I = 3A ∴ (I + 1 ) = 4 A