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System of Resistors - Resistances in Parallel

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Resistors in parallel:

When resistors are joined in parallel, the reciprocal of total resistance of the system is equal to the sum of reciprocal of the resistance of resistors.

If total resistance = R
Resistance of resistors are R1,R2,R3,.....Rn.

Therefore R= `1/("R"1)+1/("R"2)+1/("R"3).....1/("Rn")`

In parallel the Current (I) varies and voltage (V) remains the same.

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Shaalaa.com | Electricity part 8 (Resistor Parallel & series)

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Electricity part 8 (Resistor Parallel & series) [00:11:32]
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