Category: Electricity

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How to connect LCR circuit in series combination

LCR circuit: Suppose a resistance R. an inductance L and a capacitance C are connected in series to a source of alternating emf peak value of Where emf of alternating current Let I be the current in the series circuit at any instant. Then voltage will be differ due to R, L and C. Potential […]

RESISTANCES (OR RESISTORS) IN PARALLEL

The reciprocal of the combined resistance of a number of resistance connected in parallel is equal to the sum of the reciprocal of all the individual resistances. For ex. If no. of resistances are connected in parallel then their combined resistance R is given by formula When a number of resistances are connected in parallel […]