A solenoid of self inductance `1.2 H` is in series with a tangent galvanonmeter of reduction factor `0.9 A`.They are connected to a battery and the tangent galvanometer shows a deflection of `53^(@)`. The energy stored in the magnetic field of the solenoid is `(tan 53^(@) = 4//3)`

A coil of self inductance 3 H carries a steady current of 2 A. What is the energy stored in the magnetic field of the coil?

A solenoid of inductance 2 H carries a current 1 A. what is the magnetic energy stored in a solenoid?

An inductance L and a resistance R are connected in series with a battery of emf e. Find the maximum rate at which the energy is stored in the magnetic field.

A solenoid of inductance 2 H carries a current of 1 A. What is the magnetic energy stored in a solenoid ?

A battery of e.m.f. 12V and internal resistance 2Omega is connected in series with a tangent galvanometer of resistance 4Omega . The deflection is 60^@ when the plane of the coil is along the magnetic meridian. To get a deflection of 30^@ , the resistance to be connected in series with the tangent, galvanometer is :