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In the circuit shown, the potential dif...

In the circuit shown, the potential difference between A and B is .

A

3V

B

6V

C

1V

D

2V

Text Solution

Verified by Experts

Equivalent circuit is
`r_(eq)=1/(1/1+1/1+1/1)=1/3 Omega`
Now `E_(eq)/r_(eq)=E_1/r_1+E_2/r_2+E_3/r_3 implies 3E_(eq)=1+2+3 implies E_(eq)=2V`
Now `V_A-V_B=E_(eq)=2` volts.
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