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The strength of the magnetic field aroun...

The strength of the magnetic field around a current-carrying straight conductor

A

is same every where around the conductor.

B

is directly proportional to the square of distance of a point from the conductor.

C

is directly proportional to the current flowing in the conductor.

D

is inversely proportional to the current

Text Solution

Verified by Experts

The correct Answer is:
C
The strength of the magnetic field around a current-carrying straight conductor is directly proportional to the amount of current flowing in the conductor.
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U-LIKE SERIES-MAGNETIC EFFECTS OF ELECTRIC CURRENT -MULTIPLE CHOICE QUESTIONS
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  2. A constant current I flows through a horizontal metal wire in the plan...

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  3. The direction of magnetic field developed around a current-carrying co...

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  4. The strength of the magnetic field around a current-carrying straight ...

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  5. Choose the incorrect statement from the following regarding magnetic f...

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  6. The strength of a magnetic field inside a long current-carrying straig...

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  7. In a long straight solenoid N - and S- poles are created at the two...

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  8. An electron movies with a speed v along positive direction of x...

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  9. The strenght of magnetic field along the axis of a solenoid coi...

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  10. A unifrom magnetic field exists in the plane of paper pointing from...

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  11. A current - carrying conductor is placed peprendicular to the directi...

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  12. A charged particle moving in a unifrom magnetic experiences a forc...

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  13. Select the correct statement about the magnetic field lines :

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  14. Choose the wrong statement out of the following :

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  15. An electric motor converts

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  16. In Fleming's left-hand rule the thumb indicates the direction of

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  17. The phenomenon of electromagnetic induction is

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  18. Fleming's right hand rule gives

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  19. While applying Fleming's right-hand rule the central (middle) finger o...

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