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Describe the working principle of a permanent magnet moving-coil (PMMC) instrument.
Mesh Analysis | Electric Circuits | Problem 3.31 | Electrical Engineering
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What does a wattmeter measure? Answer : ### In Simple Terms A wattmeter measures **electrical power**. Think of it like this: * **Voltage** (measured by a voltmeter) is like the *pressure* of water in a pipe. * **Current** (measured ... potential or "pressure." | | **Ammeter** | Amps (A) | Measures electrical current or "flow." |...
BD139NPN Transistor | Electrical Engineering
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