Question

what happens to the deflection of the compass needle placed at a point near current carrying straight conductor:

I) if the. current is increased
2) if the direction of current in the conductor is changed?
3) if the compass is moved away from the conductor?​

Answer 1

Answer:

a current carrying conductor produces a magnetic field around it. This magenitic field apply force on the magnetic needle of compass, and thus the needle shows deflections