1.

The energy consumed in 1 kilowatt electric heater in 30 seconds will be

A.            \[6\times {{10}^{2}}\,J\] 
B.            \[4.99\times {{10}^{7}}\,J\]
C.            \[9.8\times {{10}^{6}}\,J\]     
D.            \[3\times {{10}^{4}}\,J\]
Answer» E.


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