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Three equal resistors connected across a source of e.m.f. together dissipate 10 watt of power. What will be the power dissipated in watts if the same resistors are connected in parallel across the same source of e.m.f.? (a) 10 (b) 10/3 (c) 30 (d) 90



Three equal resistors connected across a source of e.m.f. together dissipate 10 watt of power. What will be the power dissipated in watts if the same resistors are connected in parallel across the same source of e.m.f.?


(a)    10            


(b)    10/3


        (c)    30


        (d)    90


 


Grade:11

1 Answers

Hrishant Goswami
343 Points
7 years ago

(d)

In series, Equivalent resistance = 3R

 

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