Which instrument is used to measure the power of electric circuit ?
Everyday Science / Physics — Multiple-choice practice
الیکٹرک سرکٹ کی طاقت کی پیمائش کے لیے کون سا آلہ استعمال ہوتا ہے؟
- A. Wattmeter
- B. Viscometer
- C. None of these
- D. Wavemeter
Correct answer
Wattmeter
Explanation
Explanation A wattmeter is an electrical instrument which is used to measure the electric power (in watts) of any electrical circuit. **Additional Information** Voltmeter – is used to measure the electric potential difference between two points, Wavemeter – is used to measure the wavelength of a radio wave, Viscometer – is used to measure the viscosity of the liquid.
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