A solenoid has an inductance of 10 henty and a resistance of 2 ohm. It is connected to a 10 volt battery. How long will it take for the magnetic energy to reach `1//4` of its maximum value?

A solenoid has an inductance of 10H and a resistance of 2Omega . It is connected to a 10V battery. How long will it take for the magnetic energy to reach 1//4 of its maximum value?

A solenoid has an inductance of 10H and a resistance of 2Omega . It is connected to a 10V battery. How long will it take for the magnetic energy to reach 1//4 of its maximum value?

A solenoid has an inductance of 60 henrys and a resistance of 30 ohms. If it is connected to a 100 volt battery. How long will it take for the current to reach (e-1)/(e)~=63.2% of its final value

A solenoid has an inductance of 50 mH and a resistance of 0.025 Omega . If it is connected to a battery, how long will it take for the current to reach one half of its final equilibrium value?

A solenoid has an inductance of 50 mH and a resistance of 0.025 Omega . If it is connected to a battery, how long will it take for the current to reach one half of its final equilibrium value?