Advertisements
Advertisements
प्रश्न
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is maximum?
Advertisements
उत्तर
When current in the conductor is normal to the magnetic field.
APPEARS IN
संबंधित प्रश्न
The magnetic field inside a long straight solenoid-carrying current ______.
For Fleming's left-hand rule, write down the three things that are 90° to each other, and next to each one write down the finger or thumb that represents it.
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
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 two ways to increase the speed of rotation of a D.C. motor.
The direction of force on a current carrying conductor in a magnetic field is given by ____________.
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?
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
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.
