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Physics Chemistry

Entry Test MCQ :: Current Electricity

  How much heat does a 40 W bulb generates in one hour?
[A]. 144000J[B]. 144J
[C]. 1.44J[D]. 14J

Answer: Option A

Zubair khan said:    
 
What formula used for this
Komal said:    
 
Heat=power *time 40*3600 =144000
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