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What is a Bar Magnet?...

What is a Bar Magnet?

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

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A bar magnet of geometric length 18 cm has pole strength 100 A-m. Find the magnetic dipole moment of a bar magnet?

State two methods to demagnetize a bar magnet

A bar magnet of moment of inertia of 500 gcm^2 makes 10 oscillations per minute in a horizontal plane. What is its magnetic moment, if the horizontal component of earth's magnetic field is 0.36 gauss?

Write a formula for B_(axis) and B_(equator) for Bar magnet?

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CHETANA PUBLICATION-MAGNETISM-EXERCISE
  1. What do you mean by magnetic lines of force?

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  2. State the properties of magnetic lines of force?

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  3. What is a Bar Magnet?

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  4. What are magnetic poles?

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  5. Define magnetic length (2l) for a magnetic dipole ?

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  6. Define pole strength qm) for a magnetic dipole?

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  7. State SI unit and dimension of pole strength?

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  8. Write the relation between Magnetic length (2l) and Geometric length?

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  9. Define magnetic dipole moment (m) and state its SI unit and dimension?

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  10. What happens if a bar magnet is cut into two pieces transverse to its ...

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

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  12. A bar magnet of geometric length 18 cm has pole strength 100 A-m. Find...

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  13. Define magnetic axis and magnetic equator with respect to bar magnet?

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

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  15. Draw neat labelled diagrams to show magnetic field due to a bar magnet...

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  16. Draw neat labelled diagrams to show magnetic field due to a bar magnet...

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  17. Write a formula for B(axis) and B(equator) for Bar magnet?

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  18. Prove that B(axis) = 2 B(equator) for the same distances from centre o...

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  19. Show Electrostatic analogue between Electric and Magnetic field as sug...

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  20. A short magnetic dipole has magnetic moment 0.5 Am^2. Calculate its ma...

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