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According to the right-hand thumb rule, ...

According to the right-hand thumb rule, thmb indicates the direction of

A

Electric current

B

Magnetic field

C

Magnetic force

D

Motion of conductor

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The correct Answer is:
A
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Multiple choice question)
  1. The device used for producing electric current is called

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  2. Which of the following statements is false ?

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  3. According to the right-hand thumb rule, thmb indicates the direction o...

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  4. The direction of a magnetic field can be determined using

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  5. The magnetic field at the centre of the current carrying coil :

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  6. Which of the following has a magnetic field like that of a bar magnet...

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  7. In which of the following cases is no current induced in the loop ?

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  8. Which of the four rings has the strongest magnetic field at its cent...

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  9. The strength of the magnetic field produced in a current-carrying stra...

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  10. Choose the correct option. The magnetic field inside a long straig...

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  11. The current passing through two separate circuits of our houses is ...

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  12. A magnetic field does not exert a force on

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  13. Which coloured insulation cover is used for earthing wire ?

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  14. Connecting too many appliances in a circuit causes

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  15. At the time of a short circult, the current in the circuit.

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  16. Commercial electric motors do not use

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  17. Choose the incorrect statement.

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  18. The strength of the magnetic field inside a long current-carrying stra...

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  19. The right-hand thump rule was stated by

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  20. Who was the first to observe the magnetic effect of electric current ...

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