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प्रश्न
State whether a magnetic field is associated or not around a static charge.
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उत्तर
A static charge is not associated with a magnetic field around it.
संबंधित प्रश्न
The magnetic field in a given region is uniform. Draw a diagram to represent it.
State Fleming’s left hand rule.
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
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
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?
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.
What do you know about Michael Faraday?
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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.
