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very basic electric circuits question

I

iman00b

Member
Found out my scanners broken.
When measuing the current i with an ammeter, you hook up the yellow and black wires.
When measuring the current -i you hook it up in reverse order?

When measuring the voltage v, you hook up red +, black -.
When measuring the voltage -v, you hook up reverse order? black +, red -?
 
Originally posted by: iman00b
anyone think they can help if i send a picture of problem i cant explain.

i dont know if this will make sense but.
When measuring I with an ammeter? -> Yellow AM Black
to get -I is it -> Black AM Yellow ?

Measuring -V? theres a box with N inside, looks like + N -
For V: Red is +, Black is - but whats -V?

if
I
> + N -
with I= and V= some numbers, how do u find out direction of electron flow and if N is recieving or delivering electrons?

still looking for scanner =(
Click to expand...

i'm sorry but that does not make sense
 
Originally posted by: dighn
Originally posted by: iman00b
anyone think they can help if i send a picture of problem i cant explain.

i dont know if this will make sense but.
When measuring I with an ammeter? -> Yellow AM Black
to get -I is it -> Black AM Yellow ?

Measuring -V? theres a box with N inside, looks like + N -
For V: Red is +, Black is - but whats -V?

if
I
> + N -
with I= and V= some numbers, how do u find out direction of electron flow and if N is recieving or delivering electrons?

still looking for scanner =(
Click to expand...

i'm sorry but that does not make sense
Click to expand...

 
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