Q6.5Multiple choice
Same as problem 4 except the coil A is made to rotate about a vertical axis (Fig 6.3). No current flows in B if A is at rest. The current in coil A A, when the current in B (at t = 0) is counterclockwise and the coil A B is as shown at this instant, t = 0, is
This question refers to a figure in the original PDF.
- (a)constant current clockwise.
- (b)varying current clockwise.
- (c)varying current counterclockwise. Fig. 6.3
- (d)constant current counterclockwise.