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प्रश्न
Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':

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उत्तर

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संबंधित प्रश्न
The magnetic field in a given region is uniform. Draw a diagram to represent it.
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State Fleming’s left-hand rule.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
State Fleming’s left hand rule.
Observe the following figure:

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List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
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The diagram given below represents magnetic field caused by a current-carrying conductor which is:
(a) a long straight wire
(b) a circular coil
(c) a solenoid
(d) a short straight wire
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.
For Fleming's left-hand rule, write down the three things that are 90° to each other, and next to each one write down the finger or thumb that represents it.
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
A horizontal wire carries a current as shown in Figure below between magnetic poles N and S:
Is the direction of the force on the wire due to the magnet:
(a) in the direction the current
(b) vertically downwards
(c) opposite to the current direction
(d) vertically upwards
In the simple electric motor of figure given below, the coil rotates anticlockwise as seen by the eye from the position X when current flows in the coil
Is the current flowing clockwise or anticlockwise around the coil when viewed from above?
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?
Which way does the wire in the diagram below tend to move?
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Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
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?
Name the following diagram and explain the concept behind it.

State two ways to increase the speed of rotation of a D.C. motor.
A flat coil ABCD is freely suspended between the pole pieces of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.
When will the couple acting on the coil be
- maximum
- minimum?
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.
Name an instrument which makes use of the principle stated above.
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State whether a magnetic field is associated or not around a static charge.
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The force on the wire due to the magnet is directed ____________.
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Reason (R): The direction of force is given by Fleming’s left-hand rule.
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
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- 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.

