Kirchhoff's Loop Rule
AP Physics 2 · Flashcards
AP PHYSICS 2 · FLASHCARDS
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QUESTION
State the formula for Kirchhoff's Loop Rule.
QUESTION
What does the loop rule imply for a series circuit?
QUESTION
Find the missing voltage if the loop sum must be zero:
V
1
=
6
V
V_1 = 6 \text{V}
V
1
=
6
V
,
V
2
=
4
V
V_2 = 4 \text{V}
V
2
=
4
V
.
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ANSWER
V
3
=
−
10
V
V_3 = -10 \text{V}
V
3
=
−
10
V
. Loop sum must be zero:
V
3
=
0
−
6
−
4
=
−
10
V
V_3 = 0 - 6 - 4 = -10\text{V}
V
3
=
0
−
6
−
4
=
−
10
V
.
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