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At the time of a short circult, the cu...

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

A

reduces to zero

B

increases to a high value

C

remains constant

D

varies continuously

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The correct Answer is:
B
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Multiple choice question)
  1. Which coloured insulation cover is used for earthing wire ?

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  2. Connecting too many appliances in a circuit causes

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

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  4. Commercial electric motors do not use

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  5. Choose the incorrect statement.

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

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  7. The right-hand thump rule was stated by

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

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  9. Who gave the principle of electromagnetic induction ?

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  10. Which instrument detects the presence of electric current in a circui...

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  11. Electromagnetic induction occurs when

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  12. What is electromagnetic induction ?

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  13. No force acts on a current-carrying conductor when it is placed

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  14. Which device produces an electric current ?

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  15. Which of the following statements is false ?

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

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

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  18. The magnetic field line passing through the centre of a current-carryi...

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

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

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