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A circular loop is kept in that vertical...

A circular loop is kept in that vertical plane which contains the north- south direction. It carries a current that is towards north at the topmost point. Let A be a point on the axis of the circle to the east of it and B a point on this axis to the west of it. The magnetic field due to the loop.

A

is towards west at A and towards west at B

B

is toward west at A and toward east at B

C

is toward east at both A and B

D

is toward west at both A and B

Text Solution

Verified by Experts

The correct Answer is:
D
(d) Using right hand rule, the direction of magnetic field is clreary
toward west at A and B
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CENGAGE PHYSICS-SOURCES OF MAGNETIC FIELD-Exercise (single Correct )
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  2. A current of 1//(4pi) ampere is flowing in a long straight conductor. ...

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  3. A circular loop is kept in that vertical plane which contains the nort...

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  4. A current i is uniformly distributed over the cross section of a long ...

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  5. The resistances of three parts of a circular loop are as shown in Fig...

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  6. Five very long, straight insulated wires are closely bound together to...

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  7. The magnetic induction at centre O Fig.

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  8. The magnetic field at centre O of the arc in Fig.

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  9. Three long, straight and parallel wires are arranged as shown in Fig. ...

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  10. Two long thin wires ABC and DEF are arranged as shown in Fig. They car...

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  11. The magnetic field at O due to current in the infinite wire forming a ...

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  12. A current I flows through a thin wire shaped as regular polygon of n s...

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  13. A wire is bent in the form of a circular arc with a straight portion A...

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  14. The field due to a wire of n turns and radius r which carries a curren...

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  15. Two identical wires A and B have the same length l and carry the same ...

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  16. Four infinite thin current carrying sheets are placed in Y-Z plane. Th...

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  17. A steady current is flowing in a circular coil of radius R, made up o...

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  18. The magnetic field at the centre of the circular loop as shown in Fig....

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  19. Two parallel wire carrying equal currents in opposite directions are p...

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  20. Figure shows three cases: in all case the circular part has radius r a...

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