In this worksheet, we will practice calculating the energy stored in a changing magnetic field of a self-inductive conductor.

**Q2: **

A 10-H inductor carries a current of mA. Calculate how much ice at 0.0℃ could be melted by the energy stored in the magnetic field of the inductor. Use a value of 334 J/g for the latent heat of fusion of ice.

**Q6: **

A µF capacitor is charged to 200 V and then quickly connected to a 70.0 mH inductor.

Determine the maximum energy stored in the magnetic field of the inductor.

Determine the peak value of the current.

Determine the frequency of oscillation of the circuit.