Advertisements
Advertisements
प्रश्न
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
विकल्प
A > B > C
A < B < C
A = B = C
A < B > C
Advertisements
उत्तर
A > B > C
Explanation:
The more the strength of the magnet, the more will be the iron filings stuck to it.
APPEARS IN
संबंधित प्रश्न
Take a glass of water with a few pins inside. How will you take out the pins without dipping your hands into water?
What are the uses of magnets?
What is meant by a mag-stripe?
Write a note on the Mangle train.
Write a note on:
Magstripe:
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.
Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in the following figure.
What inference could he draw from this observation? Explain.
Suggest an arrangement to store a U shaped magnet. How is this different from storing a pair of bar magnets?
