Shunt Resistor Method

- November 21, 2018

This article describes about different speed control methods in a dc motor shunt and series methods voltage control resistance. Shunt resistor for current measuring.

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The biggest one is we cannot measure the high currents through this method.

Shunt resistor method. This is done by measuring the voltage drop across the resistor. A shunt resistor is used to measure electric current alternating or direct. The method we are going to discuss in this portion is by using shunt resistor but this method has limitations itself.

Figure 1 using a digital multimeter amp. A device to measure electric current is called an ammeter. This article describes about different speed control methods in a dc motor shunt and series methods voltage control resistance.

In instruments using photodiodes or any other diode for that matter it is important to know the value of the shunt resistance so an appropriate load can be placed across the terminals of the photodiode such that a. Shunt resistor to measure current lets consider this real life scenario we are still interested to measure 30 a and the multimeter that you are using is for example the agilent u1253b 45 digit handheld digital multimeter which has a maximum current rating of 10 a. For example when current i flows a potential difference v is generated across the resistor.

This variable resistor is also called as a diverter as desired value of the. This is termed as the shunt resistor and is placed in series with the circuit load as shown in figure 1. Dc current measurement using shunt resistor.

Shunt resistorsseries in a circuit in which resistors are connected in series the potential difference voltage drop across the resistor is detected and current flowing in the circuit is measured using ohms law. The series resistor is in series with the photocurrent source and the shunt resistor is in parallel with the photocurrent source.

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