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प्रश्न
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
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उत्तर
| Single-touch method of magnetism | Double- touch method pf magnetism |
| (1) A magnet is rubber along with the magnetism substance (needle or iron piece) from one end to another and lifted vertically upwards. | (1)Opposite poles of two magnets are placed next to each other at the center of the magnetic. substance and rubbed in the opposite direction |
(2)  |
(2)  |
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