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Home Q & A Board Science-Related Homework Help Physics
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rkearl27 rkearl27
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11 years ago
The circuit has one parallel (two resistors) and two other resistors in a series. If we found the current in every resistor, do you show that on the circuit diagram?

so basically my question is.. do you only put the A in one part of the diagram? or with each resistor? i'm just a little unclear.. and where do you put the voltmeter on the diagram?
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#1
11 years ago
In a series circuit the current is the same in all places. In a parallel the current is different dependant on the potential diference and the resistor. I would say put one ampmeter in the series and two amps in both the parallel ones. i would actually have to look at the diagram. I'm not sure about the voltmetre sorry!
wrote...
#2
11 years ago
put the ammeter anywhere along the circuit.

The voltmeter will have to be connected separately.
. . . . ___V___
. . . ./. . . .. . .\
--------|-----R----|---A---

The R represents a resistor.
V=voltmeter
A=ammeter

Do this for all resistors, connecting them appropriately.
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fireflowerfireflower
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11 years ago
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#4
11 years ago
Ammeters have low resistance, so they belong in series to resistors. On the other hand, since voltmeters have high resistance, putting then parallel to other resistors (and using the inverse addition rule for resistors in parallel) the amount of resistance added is very little, making it effective to place voltmeters parallel with resistors.
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