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You are given two similar bars. One is a...

You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them?

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ICSE-ELECTRICITY AND MAGNETISM -TEST YOURSELF (OBJECTIVE QUESTIONS :) (SHORT / LONG ANSWER QUESTIONS:)
  1. How will you test whether a given rod is a magnet or not?

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  2. How will you test whether a given rod is made of iron or not?

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  3. You are given two similar bars. One is a magnet and the other is of so...

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  4. You are given a magnet. How will you use it to find north-south direct...

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  5. Describe a simple experiment to illustrate that like poles of two magn...

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  6. Poles exist in pairs. Comment on this statement.

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  7. What is a magnetic compass ? State its use.

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

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  9. What is an electromagnet ?

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  10. Name the material of an electromagnet.

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

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

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

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

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  15. State two common uses of electromagnets.

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

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

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

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

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  20. Define the term "current".

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