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प्रश्न
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
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उत्तर १
According to Fleming's left hand rule, the force exerted on a current carrying conductor placed in a magnetic field is maximum when the conductor is placed perpendicular to the magnetic field. That is, the direction of the electric current and the direction of the magnetic field are perpendicular to each other.
उत्तर २
When the direction of the current is perpendicular to the direction of the magnetic field, the force that a current-carrying conductor experiences in a magnetic field is greatest.
संबंधित प्रश्न
State the form of magnetic field lines around a straight current-carrying conductor.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.
The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of circular wire is:
(a) clockwise
(b) downwards
(c) anticlockwise
(d) upwards
A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.
Name one device whose working depends on the force exerted on a current-carrying coil placed in a magnetic field.
Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer while coil B is connected to a battery through a key. What would happen if:
the current is stopped by removing the plug from the key?
Explain your answer mentioning the name of the phenomenon involved.
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?
State Fleming’s left-hand rule.
An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is ______.
