Electric materials
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The shape of the voltage and current curves is considered practically sinusoidal if any of its ordinates differs from...
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The megohmmeter is designed to measure high resistances, especially insulation resistance. The power source in such devices is an alternator with...
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The pictures shown below are taken from the Physics Lesson Electrical Measuring Instruments. The filmstrip consists of five sections:...
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Indicators for measuring pointers: voltmeters, ammeters, ohmmeters, etc., have scales. Sometimes the instrument has only one scale, and sometimes…
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An electrical measuring device is called a phasor whose function is to measure the phase angle between two electrical oscillations of constant frequency....
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