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Draw a labelled diagram of an electric m...

Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of a split-ring in an electric motor?

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MBD -HARYANA BOARD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. When is the force experienced by a current-carrying conductor placed i...

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  2. Imagine you are sitting in a chamber with your back to one wall. An el...

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  3. Draw a labelled diagram of an electric motor. Explain its principle an...

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  4. Name some devices in which electric motors are used.

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  5. A coil of insulated copper wire is connected to a galvanometer. What w...

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  6. A coil of insulated copper wire is connected to a galvanometer. What w...

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  7. A coil of insulate copper wire is connected to a galvanometer. What wi...

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  8. Two circular coils A and B are placed close to each other. If the curr...

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  9. When does an electric short-circuit occur?

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  10. What is the function of an earth wire? Why is it necessary to earth me...

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  11. In case of a solenoid, the strength of magnetic field depends upon

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  12. What is an electromagnet?upon what factors its strength depends?

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  13. The circulating induced current produced in a metal plate due to the c...

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  14. What do you understand by magnetic effect of current? To understand th...

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  15. What is magnetic field? Give important properties of magnetic field li...

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  16. Which rule is shown in the figure?Define the rule in which device this...

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  17. In the figure which law is shown?lablel 1 and 2 in relation to the law...

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  18. Name the law shown in the figure lable 1 and 2 according to this law.

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  19. In the alongside figure a straight conductor B is carrying current in ...

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  20. In the alongside figure a straight conductor B is carrying current in ...

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