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प्रश्न
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
उत्तर
The direction of magnetic field produced by a straight current-carrying conductor can be obtained by using Maxwell's right-hand thumb rule.
संबंधित प्रश्न
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
State the form of magnetic field lines around a straight current-carrying conductor.
The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of circular wire is:
(a) clockwise
(b) downwards
(c) anticlockwise
(d) upwards
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
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?
State two ways to increase the speed of rotation of a D.C. motor.
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
A simple motor is made in a school laboratory. A coil of wire is mounted on an axle between the poles of a horseshoe magnet, as illustrated.
In the example above, coil ABCD is horizontal and the battery is connected as shown.
- For this position, state the direction of the force on the arm AB.
- Why does the current in the arm BC not contribute to the turning force on the coil?
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
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.
