Weatstone Bridge

118

02:45:33

The resistor that we want to know her value is the upper left and, with the potenciemeter, we adjust resistor in order to make that voltimeter measure will be zero, in this moment, the resistor 1 and the potencimeter, has the same resistor.

Change the resistor 300 ohms value and find it in potenciometer

published 10 years ago

thebugger

10 years ago

The meter must be an microammeter, not a voltmeter.

thebugger

10 years ago

Although a voltmeter also works.

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