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How is the strength of the magnetic fiel...

How is the strength of the magnetic field at a point near a wire related to the strength of the electric current flowing in the wire?

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The magnitude of magnetic field is directly proportional to the strength of the electric current flowing in the wire.
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VK GLOBAL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-VERY SHORT ANSWER QUESTIONS
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  4. How is the fuse connected in an electric circuit?

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  5. Why is a fuse usually made of tin or tin-copper alloy?

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  6. What is the capacity of a fuse commonly used in domestic electrical fi...

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  8. On which effect of electricity does fuse work?

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  9. What kind of magnetic field is produced by a current carrying solenoid...

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  10. Show, with the help of a diagram, the nature of field lines of magneti...

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  11. State Faraday's law of electromagnetic induction.

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  12. The frequency of alternating current in India is 50 Hz. What does it ...

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  13. Name the scientist who discovered the relationship between electric cu...

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  14. What does the closeness of field lines in a magnetic field signify?

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  15. Name the device which converts mechanical energy into electrical energ...

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  16. Which type of generator is used at power stations?

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  17. Does the AC generator have any slip ring?

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  18. What happens if a current carrying conductor is placed in the magnetic...

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  19. On what effect of an electric current does an electromagnet work?

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  20. Name the alloy which is mainly used for making permanent magnets.

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