Kirchhoff's Junction Rule
AP Physics 2 · Flashcards
AP PHYSICS 2 · FLASHCARDS
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QUESTION
What happens to the total current if more branches are added to a junction?
QUESTION
Which principle is Kirchhoff's Junction Rule based on?
QUESTION
If
I
1
=
2
A
I_1 = 2 \text{A}
I
1
=
2
A
and
I
2
=
3
A
I_2 = 3 \text{A}
I
2
=
3
A
both enter a junction, what is
I
out
I_{\text{out}}
I
out
?
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ANSWER
I
out
=
5
A
I_{\text{out}} = 5 \text{A}
I
out
=
5
A
. Total current entering equals total current leaving:
2
+
3
=
5
2 + 3 = 5
2
+
3
=
5
A.
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