1.

Two identical cells send the same current in \[2\,\Omega \] resistance, whether connected in series or in parallel. The internal resistance of the cell should be                                                                 [NCERT 1982; Kerala PMT 2002]

A.                    \[1\,\Omega \]
B.                                      \[2\,\Omega \]
C.                    \[\frac{1}{2}\Omega \]    
D.            \[2.5\,\Omega \]
Answer» C.                    \[\frac{1}{2}\Omega \]    


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