Advertisements
Advertisements
Question
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?
Advertisements
Solution
The coil will experience a torque due to which it will rotate.
APPEARS IN
RELATED QUESTIONS
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.
State whether the following statement is true or false:
The magnetic field inside a long circular coil carrying current well be parallel straight lines.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.
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.
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
Write Fleming’s left hand rule.
A current-carrying conductor is held in an exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor:
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
What do you know about Michael Faraday?
A copper conductor is placed over two stretched copper wires whose ends ate connected to a D.C. supply as shown in the diagram.
- What should be the magnetic poles at the points A and B lying on either side of the conductor to experience the force in the upward direction?
- Name the law used to find these polarities.
