# Question

An air-core solenoid with 68 turns is 8.00 cm long and has a diameter of 1.20 cm. How much energy is stored in its magnetic field when it carries a current of 0.770 A?

## Answer to relevant Questions

At t = 0, an emf of 500 V is applied to a coil that has an inductance of 0.800 H and a resistance of 30.0 Ω. (a) Find the energy stored in the magnetic field when the current reaches half its maximum value. (b) ...A uniform electric field of magnitude 680 kV/m throughout a cylindrical volume results in a total energy of 3.40 μJ. What magnetic field over this same region stores the same total energy?A large coil of radius R1 and having N1 turns is coaxial with a small coil of radius R2 and having N2 turns. The centers of the coils are separated by a distance x that is much larger than R1 and R2. What is the mutual ...The switch in Figure P32.52 is connected to point a for a long time. After the switch is thrown to point b, what are (a) The frequency of oscillation of the LC circuit, (b) The maximum charge that appears on the ...A 1.00-mH inductor and a 1.00-μF capacitor are connected in series. The current in the circuit is described by I = 20.0t, where t is in seconds and I is in amperes. The capacitor initially has no charge. Determine (a) ...Post your question

0