Advertisements
Advertisements
Question
Three magnets A, B and C were dipped one by one in a heap of iron filing. Figure shows the amount of the iron filings sticking to them.

The strength of these magnets will be
Options
A > B > C
A < B < C
A = B = C
A < B > C
Advertisements
Solution
A > B > C
Explanation:
The more the strength of the magnet, the more will be the iron filings stuck to it.
APPEARS IN
RELATED QUESTIONS
Analogy:
Electromagnet: Magnetic crane.
Ordinary magnet: ______.
What are the objects affected by a magnetic field?
Give the uses of magnets.
What are the uses of magnets?
What type of magnet is used in the Mangle train?
What is meant by a mag-stripe?
The arrangement to store two magnets is shown by figures (a), (b), (c) and (d) in the following figure. Which one of them is the correct arrangement?
Four identical iron bars were dipped in a heap of iron filings one by one. Figure shows the amount of iron filings sticking to each of them.

- Which of the iron bar is likely to be the strongest magnet?
- Which of the iron bars is not a magnet? Justify your answer.
Four identical iron bars were dipped in a heap of iron filings one by one. Fig. 13.5 shows the amount of iron filings sticking to each of them.

Which of the iron bars is not a magnet? Justify your answer.
Suggest an arrangement to store a U shaped magnet. How is this different from storing a pair of bar magnets?
