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  • Three batteries of emf 1V and internal resistance 1 each are connected as shown. Effective emf of combination between the points PQ is – <img alt="" src="https://cdn.entrance360.com

Three batteries of emf 1V and internal resistance 1 each are connected as shown. Effective emf of combination between the points PQ is –

Option: 1

Zero 


Option: 2

1V


Option: 3

2V


Option: 4

\frac{2}{3}V


Answers (1)

best_answer

Rearranging the figure

E_{\text {net }}=\frac{E_1 r_2-E_2 r_1}{r_1+r_2}=\frac{2-2}{2+1}=0

Posted by

Shailly goel

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