Q2Multiple choice
If the key in the arrangement (Figure 13.1) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
This question refers to a figure in the original PDF.
- (a)concentric circles
- (b)elliptical in shape
- (c)straight lines parallel to each other
- (d)concentric circles near the point O but of elliptical shapes as we go away from it
Show answer
(c) straight lines parallel to each other
Hint: Hint— Only earth’s magnetic field will be present.