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State whether the following statement is...

State whether the following statement is true or false :
An electric motor converts mechanical energy into electrical energy.

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An electric motor converts mechanical energy into electric energy.

State whether the following statements are true or false. (a) An electric motor converts mechanical energy into electrical energy. (b) An electric generator works on the principle of electromagnetic induction. (c) The field at the centre of a long circular coil carrying current will be parallel straight lines. (d) A wire with a green insulation is usually the live wire.

A motor converts electrical energy into

To convert mechanical energy into electrical energy, one can use

Device which converts mechanical energy to electrical energy

MBD -HARYANA BOARD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. The essential difference between an AC generator and a DC generator is...

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  2. At the time of short circuit, the current in the circuit :

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  3. State whether the following statement is true or false : An electric...

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  4. List three sources of magnetic fields.

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  5. How does a solenoid behave like a magnet? Can you determine the north ...

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  6. When is the force experienced by a current-carrying conductor placed i...

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

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

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

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

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

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

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

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  14. When does an electric short-circuit occur?

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

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

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

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

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

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

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