Calculate V1, V2, and V3 if V = 20 V, R1 = 2 Ohms, R2 = 3 Ohms, and R3 = 6 Ohms.
a) V1 = 20 V. V2 = 20 V. V3 = 20 V
b)V1 = 5 V. V2 = 5 V. V3 = 5 V
c)V1 = 10 V. V2 = 10 V. V3 = 10 V
d)V1 = 15 V. V2 = 15 V, V3 = 15 V
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Answer:
0.20
Explanation:
Let current in R
1
be I
1
and R
2
be I
2
and R
3
be I
3
respectively away from the junction.
Let junction potential be V
By Kirchhoff junction law,
10
V−10
+
20
V−6
+
30
V−5
=0
60
11V
=
6
7
+
10
3
=
60
88
V=
11
88
V
1
=(10−
11
88
)=2
I
1
=
R
1
V
1
=
10
2
=0.2 Amp
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