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प्रश्न
Predict the direction of induced current in the situation described by the following figure.
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उत्तर
Lenz's law specifies the direction of the induced current in a closed loop. Using Lenz’s rule, the direction of the induced current in the given situation can be predicted as follows:
The induced current in the right coil drives X to Y.
The direction of the induced current is along the xryx.
संबंधित प्रश्न
Describe a simple experiment (or activity) to show that the polarity of emf induced in a coil is always such that it tends to produce a current which opposes the change of magnetic flux that produces it.
Predict the direction of induced current in a metal ring when the ring is moved towards a straight conductor with constant speed v. The conductor is carrying current I in the direction shown in the figure.
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A bar magnet is released from rest along the axis of a very long, vertical copper tube. After some time the magnet ____________ .
A bar magnet is moved along the axis of a copper ring placed far away from the magnet. Looking from the side of the magnet, an anticlockwise current is found to be induced in the ring. Which of the following may be true?
(a) The south pole faces the ring and the magnet moves towards it.
(b) The north pole faces the ring and the magnet moves towards it.
(c) The south pole faces the ring and the magnet moves away from it.
(d) The north pole faces the ring and the magnet moves away from it.
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Energy dissipate in LCR circuit in
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Predict the direction of induced current in the situation described by the following figure.
In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions:
Which expression incorporates Lenz's law into Faraday's law?
Which apparatus is used to observe the induced current when a magnet moves relative to a coil?
When the N-pole moves towards the coil, what happens to the flux and galvanometer?
A rectangular loop moves into a region where the magnetic field points out of the page. What happens to the flux through the loop?
For a rectangular loop entering an out-of-page magnetic field, what is the induced current direction and path?
For a triangular loop leaving an out-of-page magnetic field, what is the induced current direction and path?
