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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The time constant of an inductance coil is 2 x 10^-3 s. when a 90 ohm resistance is joined in series, the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are

The time constant of an inductance coil is 2 x 10^-3 s. when a 90 ohm resistance is joined in series, the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are

the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are The time constant of an inductance coil is 2 x 10^-3 s. when a 90 ohm resistance is joined in series