In the circuit shown the resistance of each resistor is R 100 Find the resistance...
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In the circuit shown the resistance of each resistor is R 100 Find the resistance in to the nearest integer which is to be connected between points C and D so that the resistance of entire circuit between A and B does not depend on the number of elementary cells A Be 50 ww R www R R x 1 73 R ww FE R R R EXPLANATION www 2R x xR 3R x 3 1 x R 1 x 100 ww R R ww ww R Correct Answer 73 R R C Let resistance added across CD is x then the equivalent resistance between A and B will be independent of the number of elementary cells if the combination of a with the resistors of the elementary cells is itself SO RAB X x www D R
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