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Which instrument detects the presence o...

Which instrument detects the presence of electric current in a circuit ?

A

galvanometer

B

voltmeter

C

generator

D

magnetic compass needle

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The correct Answer is:
A
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What is that instrument which can detect the presence of electric current in a circuit.

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{:("Column- A ","Column - B "),("A] Commutator","i] detects the presence of electric current in a circuit."),("B] Fuse","ii] converts mechanical energy into electrical energy"),("C] Galvanometer","iii] measures the potential difference"),("D] Electric generator","iv] shows the direction of the motion of the conductor"),(,"v] protects the electrical appliances"),(,"vi] reverses the direction of current"),(,"viii] converts electrical energy into mechanical energy"):}

When is current induced in a circuit ?

ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Multiple choice question)
  1. Who was the first to observe the magnetic effect of electric current ...

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  2. Who gave the principle of electromagnetic induction ?

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

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  4. Electromagnetic induction occurs when

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  5. The phenomenon of electromagnetic induction is

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

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  7. The device used for producing electric current is called

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  8. Which of the following statements is false ?

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

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

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

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

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

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

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

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

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

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  18. A magnetic field does not exert a force on

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

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  20. Connecting too many appliances in a circuit causes

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