A) \[258\,\,\Omega \]
B) \[300\,\,\Omega \]
C) \[158\,\,\Omega \]
D) \[58\,\,\Omega \]
Correct Answer: A
Solution :
The charge flowing in a circuit, is given by q = it Given, \[i=2\,A,\,t=6\,\min =6\times 60=360\,s\] \[\therefore \] \[q=2\times 360=720\,C\] The energy given by the cell in the flow of unit charge in the whole circuit is called the emf of the cell. \[\therefore \] \[E=\frac{W}{q}=\frac{1000}{720}=13.8\,V\]
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