what will be the difference when a compass is placed under the current carrying wire and when placed above it and also give a reason for the same.

Asked by sukhmani281 | 15th Nov, 2017, 09:27: PM

Expert Answer:

If the current is flowing in the east-west direction.
Then, by applying the right-hand thumb rule, we get that the direction of magnetic field at a point below the wire from north to south.
The direction of magnetic field at a point directly above the wire from south to north.

Answered by Abhijeet Mishra | 15th Dec, 2017, 04:07: PM