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Exam Questions Papers - Engineering

Q1:

Find value of i

A 1A

B 0A

C 0.45 A

D None of these

ANS:C - 0.45 A

The given circuit can be compared to a Wheatstone's Bridge. This bridge is balanced. ∴ Req = (10 + 10) || (20 + 20) = 20 || 40 = 13.33 Ω ∴ .