a. At what moment does the switch spark — when closing or when opening?
Why does arcing stop if you turn on the capacitor parallel to the switch?
b. What capacity of the capacitor should be connected parallel to the inductor
L, so that when the key is opened, the voltage on it does not increase by more
than N times, if the voltage frequency in the circuit is v? Determine this
capacitance in the case of v = 50 Hz, L = 0.1 H, N = 10.