With resistances P and Q in the left and the right gap respectively of a metre bridge,
Channel: Doubtnut
Date: 2020-06-07

With resistances P and Q in the left and the right gap respectively of a metre bridge, the null point divides the wire in the ratio `3:4` . When P and Q are increased by `20Omega` each, the null  point divides the wire in the ratio `5:6` . The values of P and Q are