Faraday's law Problem 9.7.5

Description

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). 

Question

How many turns Ns does the secondary coil contain when the primary coil contains Np = 200 turns? Start.

Answer

40.

Reference

See Giancoli-PA: 21-7, Giancoli-SE: 29-6.

Credits

Physlet problem authored by Morten Brydensholt and modified by Mario Belloni.

2000 by Prentice-Hall, Inc. A Pearson Company