When two resistances are compared in a Meter bridge the balancing point is at 30 cm . Then the ratio

Question

When two resistances are compared in a Meter bridge the balancing point is at 30 cm . Then the ratio of the resistances is\

Professor PC Thomas Classes · Answer

In a metre bridge\ $\frac{\mathrm{R}_{1}}{\mathrm{R}_{2}}=\frac{\ell}{100-\ell}=\frac{30}{70}$\