A transformer is connected to a wall socket as shown above. The graph shows the primary voltage Vp (black) and the secondary voltage Vs (red).
How many turns Ns does the secondary coil contain when the primary coil contains Np = 200 turns? Start.
40.
See Giancoli-PA: 21-7, Giancoli-SE: 29-6.
Physlet problem authored by Morten Brydensholt and modified by Mario Belloni.