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Two long parallel wires are at a distanc...

Two long parallel wires are at a distance ` 2d` apart. They carry steady equal currents flowing out of the plane of the paper , as shown. The variation of the magnetic field `B` along the line `XX` is given by

A

B

C

D

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MOTION-MAGNETISM -EXERCISE-4 (LEVEL-I)
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  2. The magnitude of the magnetic field (B) due to loop ABCD at the origin...

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  3. Due to the presence of the current I1 at the origin in the figure.

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  4. Two long parallel wires are at a distance 2d apart. They carry stead...

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  5. A rectangular loop has a sliding connector PQ of length l and resistan...

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  6. A current I flows an infinitely long wire with cross section in the fo...

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  7. A boat is moving due east in a region where the earth's magnetic field...

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  8. A thin circular disk of radius R is uniformly charged with density sig...

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  9. A charge Q is uniformly distributed over the surface of non - conducti...

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  10. Proton , deuton and alpha particle of same kinetic energy are moving i...

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  11. The coercitivity of a small magnet where the ferromagnet gets demagnet...

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  12. A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 ...

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  13. Two coaxial solenoids of different radius carry current I in the same ...

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  14. Two long current carrying thin wires , both with current I, are held b...

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  15. Two identical wires A and B , each of length 'l', carry the same curre...

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  16. Hysteresis loops for two magnetic materials A and B are given below : ...

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  17. A magnetic needle of magnetic moment 6.7xx10^(-2)A.m^(2) And moment ...

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  18. When a current of 5 mA is passed through a galvanometer having a coil ...

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  19. The dipole moment of a circular loop carrying a current I, is m and th...

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  20. An electron, a proton and an alpha particle having the same kinetic en...

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