![]() The known standard quantities used by the comparator to compare with the measured value are standard batteries, standard resistances, standard capacitors, and standard inductances. It is divided into compensation measuring instruments and bridge measuring instruments. Potentiometer Structure and SymbolĪ comparator is an instrument that compares the measured value with a known standard quantity and finally determines the measured value. The pointer reading on the dial is the potential difference.įigure 1. The interaction of the current with the magnet causes the pointer to rotate. ![]() When the two poles are connected to the power source under test, if there is a potential difference (in other words, a voltage), a current will be generated in the coil. The DC potentiometer mainly consists of two electrodes, a coil with a certain resistance, a permanent magnet, a shaft, a pointer, and a dial. Ⅶ Frequently Asked Questions about DC Potentiometer Principle of D.C Potentiometer, D.C Potentiometer Theory, and Principle | How It Works | Principle of Slide Wire Potentiometer Catalog ![]()
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