The direction of current flowing in
a circular coil is shown in the
figure, then the direction of flux
resulted is correctly represented
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12th
Physics
Electromagnetic Induction
Introduction to Electromagnetic Induction
In what direction does the ...
PHYSICS
In what direction does the induced current in coil flow ?
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If we keep the magnet stationary and moved the coil back and forth within the magnetic field, an electric current would be induced in the coil. Then by either moving the wire or changing the magnetic field we can induce a voltage and current within the coil and this process is known as Electromagnetic Induction.
When the coil AB is approaching towards north pole of the magnet, the magnetic flux linking to the coil increases. According to Faraday's law of electromagnetic induction, when there is change in flux, an emf and hence current is induced in the coil and this current will create its own magnetic field.
Now according to Lenz's law, this magnetic field created will oppose its own or we can say opposes the decrease in flux through the coil and this is possible only if approaching coil side attains south polarity, as we know dissimilar poles attract each other. Once we know the magnetic polarity of the coil side, we can easily determine the direction of the induced current by applying right hand rule. In this case, the current flows in the A to B direction
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