1.

In the Hall effect, we have a current flowing in the presence of a uniform magnetic field, and we get a potential difference across the conductor. Which is incorrect statement?

Answer»

a changing magnetic FIELD PRODUCES an induced EMF
charges are bent from their paths until an electric field is BUILT up transverse to the wire to stop them from bending
the charges in the wire are moving. So the electric fields are changing with time.
the charges PRODUCED by the current repel each other, and produce a build up of charge on the surface of the conductor.

Solution :(B) `qE=qvB` TAKE effect is due to force on moving charge


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