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Resistance

Asked by Sashank G 17th February 2011, 3:55 PM
Answered by Expert
Answer:
Dear student
we know that, power =  ( Voltage)2 / resistance
In series, net resistance = 3R
Therefore (voltage)2 = power x resistance = (X) (3R) = 3XR
In parallel, net resistance = R/3
Therefore, power dissipated =  ( Voltage)2 / resistance = (3XR) / (R/3) = 9X
Hope this helps.
Regards
Team
Topperlearning
Answered by Expert 18th February 2011, 11:52 AM
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