Advertisements
Advertisements
प्रश्न
Give one example of use of eddy currents.
Advertisements
उत्तर
Eddy current is used for magnetic braking in trains. Strong electromagnets are situated in the train, just above the rails. When the electromagnets are activated, the eddy currents induced in the rails oppose the motion of the train.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
State any two causes of energy loss in actual transformers.
Describe briefly three main useful application of eddy currents ?
Metallic (nonferromagnetic) and nonmetallic particles in a solid waste may be separated as follows. The waste is allowed to slide down an incline over permanent magnets. The metallic particles slow down as compared to the nonmetallic ones and hence are separated. Discuss the role of eddy currents in the process.
State applications of eddy currents.
Eddy currents do not produce ______.
Which of the following does not use the application of eddy current?
Induction furnace make use of ______.
When strength of eddy currents is reduced, as dissipation of electrical energy into heat depends on the ...A... of the strength of electrical energy into heat depends on the ...A... of the strength of electric current heat loss is substantially ...B.... Here, A and B refer to ______.
Identify the wrong statement.
If the length of a simple pendulum increases by 5%, then its period shall increase by ______.
