Q2 of 238 Page 81

What conclusion do you get from the observation that a current-carrying wire deflects a compass needle placed near it?

By the deflection of a compass needle, when placed near a current carrying wire gives a conclusion that there is a magnetic field produced around the wire.


More from this chapter

All 238 →
27

The figure given below shows the magnetic field between two magnets:


(i) Copy the diagram and label the other poles of the magnets.


(ii) Which is the weaker magnet?

 1

Which effect of current can be utilised in detecting a current-carrying wire cancelled in a wall?

 3

Name the scientist who discovered the magnetic effect of current.

 4

State qualitatively the effect of inserting an iron core into a current-carrying solenoid.