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प्रश्न
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.
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उत्तर
This force F is maximum when the magnetic field due to flow of current in the conductor and the given magnetic field B are perpendicular to each other.
संबंधित प्रश्न
Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.
Name and state the rule to determine the direction of magnetic field around a straight current-carrying conductor.
Draw the magnetic lines of force due to a circular wire carrying current.
A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in Figure below:
The force on the wire due to the magnet is directed:
fron N to S
from S to N
vertically downwards
vertically upwards
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is maximum?
A coil ABCD mounted on an axle is placed between the poles N and S of a permanent magnet as shown in Figure.
- In which direction will the coil begin to rotate when current is passed through the coil in direction ABCD by connecting a battery at the ends A and D of the coil?
- Why is a commutator necessary for continuous rotation of the coil?
- Complete the diagram with commutator, etc. for the flow of current in the coil?
Name the following diagram and explain the concept behind it.
A flat coil ABCD is freely suspended between the pole of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.
When will coil come to rest?
When current is parallel to a magnetic field, then force experience by the current-carrying conductor placed in a uniform magnetic field is ____________.
Describe the activity that shows that a current-carrying conductor experiences a force perpendicular to its length and the external magnetic field. How does Fleming’s left-hand rule help us to find the direction of the force acting on the current carrying conductor?
