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Why don't two magnetic lines of force in...

Why don't two magnetic lines of force intersect each other?

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No, Because at the point of intersection the magnetic field will have two directions which is not possible.
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Why can't two magnetic field lines cross each other? Draw the magnetic field lines (including field directions) of the magnetic field due to a long straight solenoid. What important property of this field is indicated by this field line pattern? Name any two factors on which the magnitude of the magnetic field due to this solenoid depends.

(a) Draw magnetic field lines of a bar magnet. "Two magnetic field lines never intersect each other." Why ? (b) An electric oven of 1.5 kW is operated in a dometic circuit (220V) that has a current rating of 5A. What result do you expect in this case ? Explain . or Which is meant by resistance of a conductor ? Name and define its SI units. List the factors on which the resistance of a conductor depends. How is the resistance of a wire affected if - (i) its length is doubled , (ii) its radius is doubled ?

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AAKASH SERIES-MAGNETISM-EXERCISE (VERY SHORT ANSWER QUESTIONS)
  1. Can the force on unit N - pole between two isolated equal like poles b...

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  2. Can the force on unit N- pole between two isolated unlike poles be zer...

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  3. Why don't two magnetic lines of force intersect each other?

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  4. Distinguish between uniform and non-uniform motions, giving an example...

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  5. When is the couple acting on a bar magnet in a uniform magnetic field ...

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  6. Define the magnetic moment of a bar magnet. What is its direction?

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  7. What are the units of the following physical quantities? i) magneti...

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  8. A bar magnet of magnetic moment M is bent into a semicircle. What is i...

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  9. A bar magnetic dipole moment M is cut into two equal pieces as shown, ...

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  10. The magnetic moment of a bar magnet is M. If it is cut into two pieces...

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  11. Define magnetic flux density ( magnetic induction ) . The magnetic ind...

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  12. Derive an expression for the magnetic induction at a point on the axia...

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  13. Derive an expression for the magnetic induction at a point on the axia...

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  14. A magnet is placed horizontally on ground with its north pole towards ...

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  15. When the Npole of a bar magnet points towards uniform the South and Sp...

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  16. What is the magnetic induction at the mid-point of the straight line j...

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  17. Two magnets of magnetic moments M1 and M2 are joined at their centres ...

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  18. On what factors does the period of oscillation of a bar magnet in a un...

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  19. How do you determine the magnetic nature of a material, given in the f...

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  20. Classify the following substances into Dia, Para and Ferro magnetic ma...

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