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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 |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| Column A | Column B |
| (a). Human body | (3). conductor |
| (b). Silk thread | (5). insulator |
| (c). Charge in motion | (2). current |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (1). electric bell |
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संबंधित 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 |
How are the magnets kept safely? What is the role of keepers in storing the magnets?
A magnet remains steady in a ________ direction.
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
What is a natural magnet? State three properties of a magnet.
Describe a simple experiment to demonstrate that like poles repel each other while unlike poles attract.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
Give the uses of magnets in everyday life.
