Advertisements
Advertisements
प्रश्न
How are eddy currents produced ?
उत्तर
When a conductor is placed in changing magnetic flux, the electrons present in it experience force and start moving in circular path of different radii. Theses circular motions of electrons produce currents in form of eddies.
APPEARS IN
संबंधित प्रश्न
Describe briefly three main useful application of eddy currents ?
How can the disadvantages of eddy currents be minimized?
State applications of eddy currents.
In which of the following devices, the eddy current is not used ______
How is Eddy current produced? How do they flow in a conductor?
Two simple pendula of length L and 4L are pulled aside to the right and are at rest so that they make an angle 30° with the vertical. They are then released simultaneously at time t = 0. The time after which they will be in phase is ______.
Which one is not an application of eddy current?
A metal plate is getting heated. It can be because ______.
- a direct current is passing through the plate.
- it is placed in a time varying magnetic field.
- it is placed in a space varying magnetic field, but does not vary with time.
- a current (either direct or alternating) is passing through the plate.
