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How does a digital multimeter measure voltage, and what is its basic working principle?
For the following pairs of sinusoids, determine which one leads and by how much.
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What is the difference between analog and digital instruments in electrical measurement? Answer : Analog instruments use a continuously moving pointer or needle to represent the measured quantity. Example: moving-coil ammeter, analog voltmeter. They are simple and give a visual trend but have lower ... and can store or process data, but they may be costlier and require power supply/electronics....
Switchgear and Protection MCQ | Electrical Engineering
279 questions
206 answers
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