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CBSE Class 10 Answered

Why the Resistance in Parallel is less than the Resistance in series ?
Asked by | 25 Oct, 2009, 08:53: PM
answered-by-expert Expert Answer

Net resistance in series is the sum of individual resistances whereas in parallel net resistance is equal to the reciprocal of the sum of reciprocals of individual resistances; hence resistance in series is more than the resistance in parallel. Following equations will make it more clear.

Rseries= R1 + R2 + R3 +......

Rparallel= [ 1 /R1 +1/ R2 + 1 /R3 +......]-1

Answered by | 26 Oct, 2009, 01:08: PM
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