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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
पर्याय
True
False
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उत्तर
False.
Repulsion is the surest test for magnetism.
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
How will you test whether a given rod is a magnet or not ?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Tick the most appropriate answer.
The surest test of magnetism is
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Write a short note on lighting conductors.
Explain the following:
Resistance of a conductor
People who made mariner’s compass for the first time.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
The magnetic poles always exist in pairs.
