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A bridge circuit is shown in the diagram...

A bridge circuit is shown in the diagram. A student wrote the following expressions for currents at the points A, B, C and D by using Kirchhoff's first law. Point out the wrong equation.

A

at `A, I=I_(1)+I_(3)`

B

at `B, I_(1)=I_(2)+I_(g)`

C

at `C, I_(2)=I_(4)+I`

D

at `D, I_(3)+I_(g)=I_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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