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A current-carrying conductor is held in ...

A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor :

A

from top towards bottom

B

from left towards right

C

from bottom towards top

D

from right towards left

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The correct Answer is:
A
(a)
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. A current flows downwards in a wire that passes vertically through a t...

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  2. The directions of current following in the coil of an electromagnet at...

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  3. A current-carrying conductor is held in exactly vertical direction. In...

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  4. A thick wire is hanging from a wooden table. An anitclockwise magnetic...

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  5. What produces magnetism in the human body ?

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  6. What is the full form of MRI ?

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  7. When is the force experienced by a current-carrying conductor placed i...

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  8. When is the force experienced by a current-carrying conductor placed i...

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  9. In a statement of Feming's left-hand rule, what do the following repr...

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  10. Name one device which works on the magnetic effect of current.

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  11. Name the device which converts electrical energy into mechanical energ...

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  12. A motor converts one form of energy into another. Name the two forms.

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  13. State whether the following statement is true or false : An electric...

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  14. For Fleming's left-hand rule, write down the three things that are 90^...

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  15. What is the other name of the split ring used in an electric motor ?

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  16. Of what substance are the brushes of an electric motor made ?

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  17. In an electric motor, which of the following remains fixed and which r...

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  18. What is the role of the split-ring in an electric motor?

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  19. Fill in the following blanks with suitable words : (a) Fleming's Rul...

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  20. (a) A current-carrying conductor is placed perpendicularly in a magnet...

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