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A current carrying circular loop of radius R is placed in a uniform magnetic field `B_(0)` Tesla in x-y plane as shown in figure. The loop carries a current `i = 1A` in the direction shown. Find the torqure acting on the loop

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`vecM=-piR^(2)hatk`

`vecB=B_(0)cos 45^(@)hati+B_(0)sin 45^(@)hatj`
`vec(tau)=vecxxvecB`
`=-piR^(2)hatkxx(B_(0))/(sqrt(2))(hati+hatj)`
`=(piR^(2)B_(0))/(sqrt(2))(hati-hatj)`
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AAKASH INSTITUTE ENGLISH-MOVING CHARGE AND MAGNESIUM-SECTION D
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  2. The magnetic field produced around a straight line wire when current f...

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  4. A: Net magnetic force expericneed by a current carrying loop in a unif...

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  5. A: The trajectory of a charge when it is projected perpendicular to an...

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  6. A: Like currents repel and unlike currents attract each other (in con...

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  7. A: A magnetic dipole experiences maximum torque when it is placed norm...

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  8. A: The relation between magnetic moment and angular momentum is true f...

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  9. A: When currents vary with time, Newton's third law is valid only if m...

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  10. A: In the expression for Lorentza force, vecF=q(vecvxxvecB+vecE). If o...

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  11. A: Ampere circuital law is not independent of the Biot- Savart's law. ...

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  12. A: The work done by magnetic field on a moving charge is zero. R: Th...

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  13. A: In any magnetic field region the line integral ointvecB.vec(dl) alo...

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  14. A: The magnetic field always accelerates a moving charge if the moving...

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  15. A: The magnetic moment of a current carrying planar loop does depend o...

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  16. A: magnetic field is produced by moving charges(s). R: The magnetic ...

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  17. A: In the middle to high latitudes on a dark night an aurora or the cu...

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