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Magnetic lines of force...

Magnetic lines of force

A

have directions

B

have no physical reality

C

can be used to indicate the direction of the magnetic field at a point

D

all of the above are correct.

Text Solution

Verified by Experts

The correct Answer is:
D
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MTG IIT JEE FOUNDATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE ( MULTIPLE CHOICE QUESTIONS)
  1. For making an electromagnet the best material to be used is

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  2. Choose the wrong statement

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  3. Magnetic lines of force

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  4. Which of the following figures represents the magnetic lines of force ...

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  5. Which of the following figures represents the magnetic lines of force ...

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  6. Magnetic field lines are closer where the magnetic field is

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  7. A uniform magnetic field is represented by

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  8. Magnetic needle is in the form of elongated

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  9. Space around a magnet in which the force of attraction and repulsion d...

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  10. A natural magnet is also called a

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  11. In case of a solenoid, the strength of magnetic field depends upon

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  12. The direction of magnetic field around a current carrying conductor is...

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  13. Magnetic field produced by a solenoid and a bar magnet

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  14. The direction of force (motion) of a current carrying conductor in a m...

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  15. A magnetic field exerts no force on

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  16. What is a solenoid? Draw magnetic field lines due to a current carryin...

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  17. A soft iron bar is inserted inside a curren-carrying solenoid. The mag...

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  18. A magnetic needle is used to find

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  19. An electric current predominantly produces field around it.

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  20. Magnetite is a/an

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