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प्रश्न
Which device is used to measure p.d?
उत्तर
Potential difference (p.d.) is measured by a device called voltmeter.
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संबंधित प्रश्न
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| Ammeter reading I (in ampere) | Voltmeter reading V (in volt) |
| 0.2 | 0.4 |
| 0.3 | 0.6 |
| 0.5 | 1.0 |
| 0.8 | 1.6 |
| 1.5 | 3.0 |
If P and V are the power and potential of device, the power consumed with a supply potential V1 is:
Name the instrument which is used to measure the potential difference.
