ICSE Class 10 Physics 2016 Solved Paper

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A battery of emf 12V and internal resistance 2 is connected with two resistors A and B of resistance 4 and 6 respectively joined in series.

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Question : 64
Total: 73
Electrical energy spent per minute in 4 Resistor.
Solution:  
Energy spent =I2Rt
=(1)2×4×60
=240J
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