1.

A current of 2 A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is [CBSE PMT 1993]

A.            \[0.5\,\Omega \]                
B.            \[2\,\Omega \]
C.            \[4\,\Omega \]                   
D.            \[20\,\Omega \]
Answer» C.            \[4\,\Omega \]                   


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