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Define Alternating current and Direct cu...

Define Alternating current and Direct current.

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Alternating Current and Direct Current|Questions

Explain alternating and direct current.

PEARSON IIT JEE FOUNDATION-ELECTROMAGNETISM-TEST YOUR CONCEPS ( VERY SHORT ANSWER TYPE QUESTIONS)
  1. What is (a) solenoid (b) electromagnet?

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  2. If work done in bringing a bar magnet near the coil radius 10 cm, is 2...

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  3. If the strength of electric current in a circular loop increases, does...

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  4. What are different types of electric power stations?

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  5. If the current in a coil as observed is anticlockwise, then that face ...

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  6. If an electric current flows in a clock-wise direction in a circular l...

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  7. The A.C. which is supplied to our houses has a frequency of.

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  8. What is an electric generator .

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  9. If a straight conductor is held normal to this page and current is flo...

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  10. Electric power stations generatecurrent.

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  11. On increasing the current through a solenoid, the magnetic field produ...

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  12. What is the shape of the magnetic field lines due to a straight curren...

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  13. Two solenoids, 'P' and 'Q' are taken. The coil in solenoid 'P' is woun...

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  14. Define (a) alternating current (b) direct current

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  15. Define Alternating current and Direct current.

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  16. What is the use of (a) galvanoscope (b) telegraph ?

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  17. Detection of small currents can be done by .

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  18. What is the basic principle on which an electric bell works ?

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  19. What is a transformer? How many types of transformers are there and wh...

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  20. (a) What is an electric motor ? With the help of a labelled diagram, d...

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