1.

A \[5{}^\circ C\] rise in temperature is observed in a conductor by passing a current. When the current is doubled the rise in temperature will be approximately                                            [CBSE PMT 1998]

A.            \[16{}^\circ C\]                    
B.            \[10{}^\circ C\]
C.            \[20{}^\circ C\]                    
D.            \[12{}^\circ C\]
Answer» D.            \[12{}^\circ C\]


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