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The minimum magnetic dipole moment of el...

The minimum magnetic dipole moment of electron in hydrogen atom is

A

`(eh)/(2pim)`

B

`(eh)/(4pim)`

C

`(eh)/(pim)`

D

0

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The correct Answer is:
B
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MOTION-MAGNETISM -1-Exercise - 3 SECTION -A
  1. A wire of mass 100 g, length 1 m and current 5 A is balanced in mid ai...

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  2. A toroid with mean radius r(0), diameter 2a have N turns carrying curr...

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  3. The minimum magnetic dipole moment of electron in hydrogen atom is

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  4. Two wires carrying

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  5. A current loop in a magnetic field

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  6. When a proton is released from rest in a room, it starts with an initi...

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  7. Relation between magnetic moment and angular velocity is -

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  8. A particle of mass 'm' and charge 'Q' is acceleration in cyclotron. If...

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  9. Two identical long conducting wires AOB and Cod are placed at right an...

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  10. 1m long wire is folded in form of a circular coil and 100 mA electric ...

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  11. The factor(s) affecting the curvature of the trajectory of an electron...

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  12. What can not we associate from moving electrons

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  13. An electron moving in a circular orbit of radius makes n rotations per...

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

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  15. A rectangular coil of length 0.12 m and width 0.1 m having 50 turns...

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  16. A proton and an alpha particle both enters a region of uniform magneti...

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  17. For toroid of mean radius 20 cm, turns = 240 and a current of 2A. What...

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  18. Two long parallel current carrying conductors 30 cm apart having curre...

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  19. A hydrogen ion moving with a velocity of 10^(4)m//s enters in magentic...

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  20. Two parallel current carrying wires separated by distance 10 cm attrac...

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