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A proton a deuteron and an alpha - parti...

A proton a deuteron and an `alpha` - particle having the same kinetic energy are moving in circular trajectories in a constant magnetic of the trajectories of these particle, then

A

`r_(alpha)=r_(p)ltr_(d)`

B

`r_(alpha)gtr_(d)gtr_(p)`

C

`r_(alpha)=r_(d)ltr_(p)`

D

`r_(p)=r_(d)=r_(alpha)`

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The correct Answer is:
A
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
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  2. An electron falling freely under gravity entersa region of uniform hor...

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  3. A proton a deuteron and an alpha - particle having the same kinetic en...

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  4. A particle is projected in a plane perpendicular to a uniform magnetic...

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  5. When a positively charged particle enters a uniform magnetic field wit...

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  6. A charged particle goes undeflected in a region containing electric a...

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  7. A charged particle describes a circle under the influence of the magne...

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  8. A charged particle is projected perpendicular to uniform magnetic fiel...

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  9. Magnetic induction at a point due to a small element of current carryi...

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  10. Statement A : current is scalar Statement B : current element is vec...

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  11. A circular coil carrying current behaves as a

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  12. The current through a circular coil appears to be flowing in clock-wis...

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  13. A long wire carrying a steady current is bent into a circular loop of ...

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  14. A current carrying coil is placed with its plane in the magnetic merid...

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  15. The magnetic dipole moment of current loop is independent of

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  16. The magnetic field at the centre of the current carrying coil is

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  18. Biot-Savart law indicates that the moving electrons ("velocity" vec(v)...

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  19. An electron is projected with uniform velocity along the axis of a cur...

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