Physics
Electromagnetic induction is the phenomenon in which emf is induced in the coil if there is a change in the …………… linked with the coil.
- force
- electric flux
- magnetic flux
- all of the above.
Related Questions
A coil ABCD mounted on an axle is placed between the poles N and S of a permanent magnet as shown in figure.
(a) In which direction will the coil begin to rotate when current is passed through the coil in direction ABCD by connecting a battery between the ends A and D of the coil?
(b) Why is a commutator necessary for the continuous rotation of coil?
(c) Complete the diagram with commutator, etc. for the flow of current in the coil.
Draw a labelled diagram of a d.c motor showing it's main parts.
Electromagnetic induction is based on :
- Faraday's law
- Lenz's law
- Right hand thumb rule
- Fleming's left hand rule
In electromagnetic induction, energy transformation is from :
- Electrical to mechanical
- Mechanical to electrical
- Electrical to chemical
- None of the above