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प्रश्न
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.
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उत्तर
The magnetic field pattern of a current-carrying solenoid resembles with that of a bar magnet.
संबंधित प्रश्न
State the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
In a statement of Fleming's left-hand rule, what do the following represent?
(a) direction of centre finger.
(b) direction of forefinger.
(c) direction of thumb.
State two ways to increase the force on a current-carrying conductor in a magnetic held.
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 under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.
Write Fleming’s left hand rule.
The strength of magnetic field around a current-carrying conductor is ____________.
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
A copper wire is held between the poles of a magnet
The current in the wire can be reversed. The pole of the magnet can also be changed over. In how many of the four directions shown can the force act on the wire?
