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प्रश्न
Fill in the following blank with suitable words:
For a current-carrying solenoid, the magnetic field is like that of a ...........
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उत्तर
For a current-carrying solenoid, the magnetic field is like that of a bar magnet.
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संबंधित प्रश्न
Which of the following property of a proton can change while it moves freely in a magnetic field? (There may be more than one correct answer.)
Which of the following correctly describes the magnetic field near a long straight wire?
Observe the following figure:
If the current in the coil A is changed, will some current be induced in the coil B? Explain.
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
Draw the magnetic lines of force due to a circular wire carrying current.
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
A current-carrying straight wire is held in exactly vertical position. If the current passes through this wire in the vertically upward direction, what is the direction of magnetic field produced by it? Name the rule used to find the direction of magnetic field.
The magnetic field associated with a current-carrying straight conductor is in anticlockwise direction. If the conductor was held along the east-west direction, what will be the direction of current through it? Name and state the rule applied to determine the direction of current?
State two ways to increase the force on a current-carrying conductor in a magnetic field.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?
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?
The north pole of Earth’s magnet is in the ____________.
A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below:
The force on the wire due to the magnet is directed ____________.
Assertion (A): A magnetic field exerts a force on a moving charge in the same direction as the direction of the field itself.
Reason (R): The direction of force is given by Fleming’s left-hand rule.
Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':
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.
