Question

The time constant of an inductance coil is 2 into 10 raise to the power minus 3 second when a 90. Ohm resistance is joined in series. The time constant becomes 2.5 into 10 raise to power minus 3 second the inductance and resistance of the coil are​

Answer 1

Answer:

ஜ்ஹபிவ் ஹஃப்ட் ஹஃட்ஸ் ஜ்ஹஜிக் பிசிட்ஸ்