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प्रश्न
State whether a magnetic field is associated or not around a moving charge.
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उत्तर
A moving charge is associated with a magnetic field around it.
संबंधित प्रश्न
A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is ______.
Which of the following correctly describes the magnetic field near a long straight wire?
Observe the following figure:
If the current in the coil A is changed, will some current be induced in the coil B? Explain.
Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
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A copper wire is held between the poles of a magnet
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Reason (R): The net charge on a current carrying conductor is always zero.
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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.
