![]() ![]() Digital multimeters display the measurements on an LCD screen.ĭigital multimeters are more accurate than analog ones because they use a digital readout instead of an analog needle. Analog multimeters use a needle to point to a scale that indicates the measurement being taken. ![]() Multimeters come in two basic types: analog and digital. They can measure AC or DC voltage, AC or DC current, and resistance. Multimeters are used to troubleshoot electrical problems in a circuit. , What is a Multimeter?Ī multimeter is a device that measures electrical voltage, current, and resistance. The higher the number of microamps, the greater the amount of current flowing through an object. They are a measurement of electrical current flow. Microamps are one-millionth of an amp, or 0.000001 amps. MA is often used to measure small amounts of current, such as the amount of current flowing through an LED light. Current is measured in amperes, or amps, and milliamps are one-thousandth of an amp. Milliamps, or mA, are a unit of measurement that measures electrical current. One amp is equal to a flow of electrons at a rate of one coulomb per second. ![]() The standard unit for measuring large currents is the ampere, while the milliampere is more commonly used for measuring smaller currents.Īmperes, often shortened to amps, are a measure of the electrical current flowing through a circuit. A large wire can carry more electrons per second than a small wire. Just as there are different sizes of pipes for different rates of water flow, there are also different sizes of wires for different rates of electron flow. The amount of water in the pipe is called charge, and it is measured in coulombs. The rate of flow is called current, and it is measured in amperes (amps). It is often compared to water flowing through a pipe. Current is an important concept in electricity and electronics. ![]()
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