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प्रश्न
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.
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उत्तर
When a current-carrying conductor is placed perpendicular to a magnetic field, Fleming's left-hand rule can be used to find the direction of force acting on the conductor.
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संबंधित प्रश्न
Observe the following figure:
If the current in the coil A is changed, will some current be induced in the coil B? Explain.
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
What is the shape of a current-carrying conductor whose magnetic field pattern resembles that of a bar magnet?
Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should passed in the conductor:
(a) from top towards bottom
(b) from left towards right
(c) from bottom towards top
(d) from right towards left
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
State two ways to increase the force on a current-carrying conductor in a magnetic field.
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
A flat coil ABCD is freely suspended between the pole of U-shaped permanent magnet with the plane of coil parallel to the magnetic field.
What happens when a current is passed in the coil?
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?
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.
Name an instrument which makes use of the principle stated above.
State whether a magnetic field is associated or not around a static charge.
The north pole of Earth’s magnet is in the ____________.
The direction of force on a current carrying conductor in a magnetic field is given by ____________.
A simple motor is made in a school laboratory. A coil of wire is mounted on an axle between the poles of a horseshoe magnet, as illustrated.
In the example above, coil ABCD is horizontal and the battery is connected as shown.
- For this position, state the direction of the force on the arm AB.
- Why does the current in the arm BC not contribute to the turning force on the coil?
An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is ______.
Assertion (A): A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic field.
Reason (R): The net charge on a current carrying conductor is always zero.
