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प्रश्न
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संबंधित प्रश्न
Give a reason for the following.
Iron is a magnetic substance.
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
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,
Define the following term:
Magnetic meridian
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
Match the following:
| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
Define the terms magnet and magnetism.
Define electromagnet.
