1.
Which of the following figures represent the magnetic lines of force due to an isolated south pole
2.
The magnetic effect of electric current was discovered by
4.
An electric current predominantly produces overline field around it.
5.
A coil carrying current behaves as a/an
7.
Which of the following figures represents the magnetic lines of force due to an isolated north pole?
9.
A carbon microphone is best used in a
10.
Electromagnets are used in
