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The current is flowing in south directio...

The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earth's field) is

A

south

B

east

C

north

D

west

Text Solution

Verified by Experts

The correct Answer is:
D
From right-hand ruel, the direction of current is towards west.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETIC EFFECT OF ELECTRIC CURRENT -I-EXERCISE -1 TOPICAL PROBLEMS)
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  2. Two parallel wires carrying equal currents i(1) and i(2) with i(1)gti(...

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  3. The current is flowing in south direction along a power line. The dire...

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  4. Two infinitely long, thin, insulated, straight wires lie in the x-y pl...

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  5. The magneitc field produced at the center of a current carrying circul...

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  6. An arc of a circle of raduis R subtends an angle (pi)/2 at the centre....

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  7. A particle carrying a charge equal to 100 times the charge on an elect...

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  8. In the figure shown, there are two semicircles of radii r(r)andr(2) in...

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  9. A current of 0.1 A circulates around a coil of 100 turns and having a ...

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  10. A current i flow through a closed loop as shown in figure. The magneti...

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  11. A current I ampere flows in circular arc of wire whose radius is R, wh...

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  12. Magnetic field due to a ring having n turns at a distance x on its axi...

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  13. A strong magnetic field is applied on a stationary electron, then

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  14. An electron is moving on a circular path of radius r with speed v in a...

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  15. When a charged particle enters a uniform magnetic field its kinetic en...

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  16. A conducting loop carrying a current i is placed in a uniform magnetic...

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  17. Two proton beams going in the same direction repel each other whereas...

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  18. Two parallel conductors A and B of equal lengths carry currents I and ...

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  19. Two thin, long, parallel wires, separated by a distance 'd' carry a cu...

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  20. Two long conductors, separated by a distance d carry current I(1) and ...

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