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m means milli,

as in 1/1000

A means Amps

50mA is =

0.050 Amps

Amps is the amount of current passing through a device.

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12y ago

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Related Questions

What is 50mA equal to?

50 micro ampheres


Assume a device draws 50ma of current and 150vdc across it what is its resistance?

Ohm's law: Voltage = Current times Resistance Solve: Resistance = Voltage divided by Current So, a device drawing 50ma with 150V has a resistance of 150 / 0.05, or 3000 ohms. p.s. Since power is volts times amps, that device is dissipating 7.5 watts.


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Its called a parasitic draw. Any electrical component in the vehicle could cause it. To test for a draw, pull the negative battery cable and use a meter to measure amperage between the battery terminal and cable. The reading should usually be below 50mA or <.050 amps.


What is the maximum voltage to normal type LED with out using resistor?

This varies depending on the color. Try driving them with a current source instead. About 5mA to 50mA should work on any LED. Using a voltage source will blow some colors, and not light other colors at all. Of course a current source is likely to be more expensive than a series resistor.


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