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प्रश्न
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 |
जोड़ियाँ मिलाइएँ
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उत्तर
| Column A | Column B |
| A) Steel | 3) permanent magnet |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 4) electromagnet |
| D) Magnetic keepers | 1) to store magnets |
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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 |
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Select the correct option:
The substance which form a strong temporary magnet is:
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
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What is a lodestone?
Explain the following:
Resistance of a conductor
Artificial magnets are made in different shapes such as ______, _____ and _______.
