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प्रश्न
What actually travels through the wires when you switch on a light?
उत्तर
When we switch on a light, electrons travel through the wires. The flow of these electrons is called electric current.
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संबंधित प्रश्न
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Match the items in column-I to the items in column-II:
| Column - I | Column - II | ||
| (i) | electric current | (a) | volt |
| (ii) | potential difference | (b) | ohm meter |
| (iii) | specific resistance | (c) | watt |
| (iv) | electrical power | (d) | joule |
| (v) | electrical energy | (e) | ampere |
