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प्रश्न
State the form of magnetic field lines around a straight current-carrying conductor.
उत्तर
Magnetic field lines around a straight current-carrying conductor are in the form of concentric circles with centre at the axis of the conductor.
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संबंधित प्रश्न
Which of the following correctly describes the magnetic field near a long straight wire?
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
State and explain the Clock face rule for determining the polarities of a circular wire carrying current.
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
The magnetic field lines in the middle of the current-carrying solenoid are?
(a) circles
(b) spirals
(c) parallel to the axis of the tube
(d) perpendicular to the axis of the tube
If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, what is the direction of force in the wire?
Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer while coil B is connected to a battery through a key. What would happen if:
the current is stopped by removing the plug from the key?
Explain your answer mentioning the name of the phenomenon involved.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is maximum?
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.
