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NQQK Shunt Working principle

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NQQK Shunt Working principle

According to the working principle described in the article, the shunt actually plays the role of current limiting. When the DC current passes through, a small voltage drop will be generated and used to supply the DC ammeter display. The DC ammeter is actually a voltmeter with a full scale value of 75mV. The resistance of the shunt provided will depend on the voltage required by the ammeter provided. For example, a 100A ammeter needs to be equipped with a shunt resistance of 0.000075 ohms, while a 50A ammeter needs to be equipped with a shunt resistance of 0.0015 ohms. These equipped shunts will be used to ensure that the correct current value is correctly measured and displayed on the ammeter.