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Choose the corect options. A thin rod o...

Choose the corect options.
A thin rod of length L is magnetized and has magnetic moment M. The rod is then bent in a semicircular arc. The magnetic moment in this case is
A. `frac(M)(L)`
B. `frac(M)(pi)`
C. `frac(M)(2pi)`
D. `frac(2M)(pi)`

A

`frac(M)(L)`

B

`frac(M)(pi)`

C

`frac(M)(2pi)`

D

`frac(2M)(pi)`

Text Solution

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CHETANA PUBLICATION-MAGNETISM-EXERCISE
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  2. Choose the corect options. The angle of dip is zero at

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  3. Choose the corect options. A thin rod of length L is magnetized and h...

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  4. Choose the corect options. Let r be the distance of a point on the ax...

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  5. Choose the corect options. A place where the vertical components of t...

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  6. The magnetic fields at a distance 'd' from a short bar transverse posi...

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  7. Choose the corect options. The magnetic field at a point A on the axi...

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  8. What is magnetic flux? State its SI unit

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  9. Define Magnetic Induction at any point?

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  10. What are magnetic poles.

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  11. What do you mean by Terrestrial magnetism.

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  12. Draw a diagram to illustrate the magnetic lines of force between the s...

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  13. What is Bar magnet. Draw the diagram to represent magnetic length.

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  14. . A short bar magnet has a magnetic moment of 2A -m^2. If its magnetic...

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  15. Draw the magnetic force lines of a current carrying finite solenoid?

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  16. What are magnetic maps of the Earth.

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  17. A magnet makes an angle of 45^@ with the horizontal in a vertical plan...

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  18. Prove that B axis = 2B equator.

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  19. Derive an expression for Earth magnetic field interns of its component...

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  20. Derive an expression for magnetic field at an arbitrary point (r) due ...

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