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A wire loop carrying current I is placed...

A wire loop carrying current I is placed in the `x-y` plane as shown in the figure. If an external uniform magnetic field `vec(B)=B hat(i)` is switched on, then the torque acting on the loop is

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`tau=B1((pi)/(3)-(sqrt(3))/(4))a^(2)hatj`
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MOTION-MAGNETISM -EXERCISE-3 (Level-I)
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  5. A current I, indicated by the crosses in fig. is established in a stri...

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  6. A current I, indicated by the crosses in fig. is established in a stri...

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  7. Two long straight parallel conductors are separated by a distance of 5...

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  9. An electron moving with a velocity 5 xx 10^(6)ms^(-1)hati in the unifo...

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  10. A particle of charge +q and mass m moving under the influence of a uni...

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  11. A particle of charge +q and mass m moving under the influence of a uni...

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  12. A particle of charge +q and mass m moving under the influence of a uni...

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  13. A proton beam passes without deviation through a region of space where...

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  14. An infinitely long straight wire carries a conventional current I as s...

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  15. A charged particle having mass m and charge q is accelerated by a pote...

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  16. A square cardboard of side I and mass m is suspended from a horizontal...

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  17. A wire loop carrying I is placed in the x-yplane as shown in fig. (...

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  18. A wire loop carrying current I is placed in the x-y plane as shown in ...

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  19. The length of a magnet is large compared to its width and breadth. The...

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  20. A certain amount of current when flowing in a properly set tangent gal...

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