M
aul du answer the following sub-questions :
Split rings
(X and Y)
Carbon
brushes
(E and F)
Axle
+HHHHA
(a) Construction of which equipment does the above diagram show?
(b) On which principle does this equipment work?
(c) According to which law does the coil ABCD rotate?
(d) Write the law in your own words.
(e) Where is this equipment used?
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(a) the above diagram shows the construction of an AC generator
(b) when coil is rotated in a magnetic field by some mechanical means , magnetic flux is changed through the coil and consequently EMF( electromagnetic flux) is produced.
(c)the ac generator works on Faraday's law of electromagnetic induction
(d) the emf induced in a conductor due to a changing magnetic field is proportional to the rate of change of flux.
(e) ac generators are used for power backup at homes, in hybrid electric vehicle, etc
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