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Problem Set 3 Kirchhoff’s Voltage and Current Laws “Solutions”

KCL and KVL

1

Problem 1: Determine V1 through V4.

1 2

34

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2

Problem 2: Determine V1 , V2 and V3.

1 3

2

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3

Problem 3: Determine V1 , V2 and V3.

1

2

3

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4

Problem 4: Find the current I and the power absorbed or supplied by each element.

1

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5

Problem 5: Find V0 and the power absorbed by the dependent source.

1

A

Vx

+

-

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6

Problem 6: Find the power supplied by the 2A source.

1

23

4

i1 i2i3

i100Ω

i60Ω

AB

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7

Problem 7: In the circuit shown below , use KCL and KVL to find the power supplied by the

12V source.

i2

i12V

i4Ω

i6Ω

AB

C

1

2

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8

Problem 8: Find the power supplied or absorbed by the 10V voltage source in the circuit

shown.

1

A

B CD

i10V

i5Ω i10Ω

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9

Problem 9: In the circuit shown , find α such the voltage across the 2Ω resistor (V) is 4V.

1

2