1.

A 10 V storage battery of negligible internal resistance is connected across a \[50\,\Omega \] resistor. How much heat energy is produced in the resistor in 1 hour                                         [Pb. PET 2001]

A.            7200 J                                      
B.            6200 J
C.            5200 J                                      
D.            4200 J
Answer» B.            6200 J


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