| 1. | The two circuits of a wattmeter can be damaged by excessive current.
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| 2. | The traditional analog wattmeter is an electrodynamic instrument.
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| 3. | A wattmeter is used to measure electrical power.
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| 4. | Thus the wattmeter measures only the iron loss.
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| 5. | With a wattmeter you could measure the draw when the appliance is on versus off.
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| 6. | A wattmeter is connected to the primary.
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| 7. | These were the first alternating-current wattmeters, known by the name of Bl�thy-meters.
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| 8. | Therefore, a wattmeter is rated not only in watts, but also in volts and amperes.
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| 9. | Additionally, the same wattmeter was used to measure the RF power in the operational base station.
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| 10. | A typical wattmeter in educational labs has two voltage coils ( pressure coils ) and a current coil.
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