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प्रश्न
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
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उत्तर
Fleming's left hand rule: Stretch the forefinger, middle finger and the thumb of your left hand mutually perpendicular to each other. If the forefinger indicates the direction of magnetic field and the middle finger indicates the direction of current, then the thumb will indicate the direction of motion of conductor.
संबंधित प्रश्न
The magnetic field in a given region is uniform. Draw a diagram to represent it.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should passed in the conductor:
(a) from top towards bottom
(b) from left towards right
(c) from bottom towards top
(d) from right towards left
Name one device whose working depends on the force exerted on a current-carrying coil placed in a magnetic field.
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:
a current is passed through coil B by plugging 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 zero?
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
Differentiate between conductors and insulators.
The strength of magnetic field around a current-carrying conductor is ____________.
What do you know about Michael Faraday?
