Problem 29.5: Find emf in loop in changing magnetic field
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The animation shows the cross section of a wire loop in a changing magnetic field (the wire loops out of and into the screen). The graph shows the magnetic field in the x direction as a function of time (position is given in centimeters, time is given in milliseconds, 10-3 s, and magnetic field strength is given in tenths of tesla, 10-1 T). Restart .
- Sketch a graph of the induced emf in the loop as a function of time.
- What is the maximum value of the emf?
- What is the direction of the current in the loop as a function of time (use the convention that current flowing out of the top of the loop is positive)?
Problem authored by Anne J. Cox.