A coil of self inductance 2.5 H and resistance `20 Omega` is connected to a battery of emf 120 V having internal resistance of `5 Omega`. Find :
The time constant of the circuit

A coil of self inductance 2.5 H and resistance 20 Omega is connected to a battery of emf 120 V having internal resistance of 5 Omega . Find : The current in the circuit in steady state.

A coil of self inductance 10 mH and resistance 0.1 Omega is connected through a switch 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 [taken ln5=1.6 ]

An inductor coil of resistance 10 Omega and inductance 120 mH is connected across a battery of emf 6 V and internal resistance 2 Omega . Find the charge which flows through the inductor in (a) 10 ms, (b) 20ms and (c ) 100ms after the connections are made.

A coil of inductance L=50muH and resistance = 0.5Omega is connected to a battery of emf = 5V. A resistance of 10Omega is connected parallel to the coil. Now, at the same instant the connection of the battery is switched off. Then, the amount of heat generated in the coil after switching off the battery is

A coil of inductance 1.0 H and resistance 100 Omega is connected to a battery of emf 12 V. Find the energy stored in the magnetic field associated with the coil at an instant 10 ms after the circuit is switched on.

A coil having inductance 2.0 H and resistance 20 Omega is connected to a battery of emf 4.0 V. Find (a) the current a the instant 0.20 s after the connection Is made and (b) the magnetic energy at this instant.

A potentiometer wire of length 10 m and resistance 30 Omega is connected in series with a battery of emf 2.5 V , internal resistance 5 Omega and an external resistance R . If the fall of potential along the potentiometer wire is 50 mu V mm^(-1) , then the value of R is found to be 23 n Omega . What is n ?

A potentiometer wire is 10 m long and has a resistance of 18Omega . It is connected to a battery of emf 5 V and internal resistance 2Omega . Calculate the potential gradient along the wire.

two heading coils of resistances 10Omega and 20 Omega are connected in parallel and connected to a battery of emf 12 V and internal resistance 1Omega Thele power consumed by the n are in the ratio

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.