Alt-BEAM Archive
Message #00381
To:
From: Victor Snesarev vsn@eel.ufl.edu
Date: Sun, 14 Feb 1999 11:22:52 -0500
Subject: [alt-beam] Re: determining current
Pete,
Pete McCarthy wrote:
> Is there any way
> to determine how much current is in a circuit
You can measure the amount of current through a circuit component.
A couple of ways I think you can measure it (correct me if I am wrong,
list):
First method. You can measure current with a current meter. You have to
interrupt your circuit. That is, you have to put the current meter probes in
series with the circuit. So if you had this:
-----[Res]----- you'd measure current like this:
---[probe1] [probe2]---[Res]-----
Whatever the meter measures is the amount of current passing through the
resistor.
Second method. If you only have a voltmeter, you can measure the voltage
across a resistor and then use the formula I = V/R (current=voltage over
resistance) to figure out current through the resistor.
Any other methods?
Victor
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