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physix

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three resistances of value 1 ohm, 2 ohm and 3 ohm are connected in parallel.If the
effective resistance of the circuit has to be 1 ohm, the value of the resistance to be connected in series to this circuit should be?

PLZZZZZZZZZZZZZZ ANSWER URGENTTTTT

  • physix -

    1/R = 1/1 + 1/2 + 1/3 = 11/6
    So, the parallel resistance is 6/11 ohm.

    Add 5/11 ohm to make the total 1 ohm.

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