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An electron a, proton and an alpha parti...

An electron a, proton and an alpha particle having the same kinetic energy moving in circular orbits of radii `r_(e), r_(p),r_(alpha` respectively in a uniform magnetic field B. The relation between `r_(e), r_(p),r_(alpha)` is

A

`r_e gt r_p =r_alpha`

B

`r_e lt r_p =r_alpha`

C

`r_e lt r_p lt r_alpha`

D

`r_e lt r_alpha lt r_p`

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-MOVING CHARGES AND MAGNETISM -EXERCISE - 2 : Concept Applicator
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  5. In fig, what is the magnetic field induction at point O

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  9. A cell is connected between two points of a uniformly thick circular c...

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  10. An infinitely long wire carrying current I is along Y axis such that i...

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  11. Two long parallel wires carry currents i(1) and i(2) such that i(1) g...

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  12. A wire carrying current I has the shape as shown in adjoining figure. ...

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  13. A long straight wire of radius a carries a steady current I. The curre...

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  14. When a long wire carrying a steady current is best into a circular coi...

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  15. Two concentric coils each of radius equal to 2 pi cm are placed at rig...

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  16. A long solenoid has 200 turns per cm and carries a current i. The magn...

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  17. A steady current is flowing in a circular coil of radius R, made up o...

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  18. An otherwise infiniye, straight wire has two concentric loops of radii...

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  19. Five very long, straight insulated wires are closely bound together to...

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  20. A long straight wire along the z- axis carries a current I in the neg...

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  21. The magnetic field at O due to current in the infinite wire forming a ...

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