A coil of inductance 300mH and resistance `2 Omega. The current reaches half of its steady state value in

A coil of inductance 300mh and resistance 2Omega is connected to a source of voltage 2V . The current reaches half of its steady state value in

A coil of inductance 10H and resistance 15Omega is connected to a supply of 90V. Determine the value of current after 0.67s. How long will it take for the current to attain 50% of its final value ?

A coil of inductance L = 300 mH and resitance R = 140 m Omega is connected to a constant voltage source. How soon will the coil current reach eta = 50 % of the steady-state value ?

A coil of inductance 8.4 mH and resistance 6 (Omega) is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time

A coil of inductance 8.4 mH and resistance 6 Omega is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time.

A coil of self inductance 10 mH and resistance 0.1Omega is connected through a switch to a battery of internal resistance 0.9Omega . After the switch is closed, the time taken for the current to attain 80% of the saturation value is: [take ln 5 = 1.6]