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What is an electromagnet ?...

What is an electromagnet ?

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ICSE-ELECTRICITY AND MAGNETISM -TEST YOURSELF (OBJECTIVE QUESTIONS :) (SHORT / LONG ANSWER QUESTIONS:)
  1. What is a magnetic compass ? State its use.

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  2. Explain the meaning of the term, magnetic field'.

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  3. What is an electromagnet ?

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  4. Name the material of an electromagnet.

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  5. Draw a labelled diagram to make a soft iron bar as an electromagnet. D...

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  6. You are given a U shaped soft iron piece, insulated copper wire and a ...

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  7. Name two factors on which the strength of magnetic field of an electro...

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  8. State two ways by which the strength of magnetic field of an electroma...

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  9. State two common uses of electromagnets.

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  10. Name a domestic device in which an electro magnet is used.

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  11. Draw a neat and labelled diagram of an electric bell and describe its ...

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  12. The incomplete diagram of an electric bell is given in Fig. Complete t...

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  13. What is declination? Draw a diagram to show the angle between the decl...

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  14. Define the term "current".

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  15. Name four appliances which work using electricity.

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  16. Name two sources of electricity.

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  17. What is a battery ?

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  18. What is an electric circuit ?

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  19. Describe an experiment to show that electricity flows only if the circ...

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  20. You are provided with a torch bulb, a cell and two plastic coated meta...

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