The internal resistance of a cell of e.m.f. 12V is \[5\times {{10}^{-2}}\,\Omega \]. It is connected across an unknown resistance. Voltage across the cell, when a current of 60 A is drawn from it, is [CBSE PMT 2000]

• A.            15 V                                         
• B.            12 V
• C.            9 V
• D.            6 V