Question

Deduce an expression to find the effective resistance when two or three resistors are
connected in parallel. In a parallel connection, the resistors are placed parallel to each other, all
their positive terminals are connected to the positive terminal of the battery and the negative
terminals to the negative terminal of the battery.

Answer 1

Answer:

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Explanation:

If RP be equivalent resistance of parallel combination, then, Laws of resistance in parallel: (i) Voltage across each resistor is same and is equal to the applied voltage. (ii) Total current = sum of the currents through the individual resistances

Answer 2

Answer:

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Explanation:

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but you can rewrite this