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Baby Circuits Final Exam Examples, Exams of Electronics

Some example final exam problems for mini-circuits

Typology: Exams

2019/2020

Uploaded on 08/16/2020

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EE-212 Applied Electric Circuits Final Exam I
Multiple Choices
1. For the circuit shown below, voltage across 1Ω resistor is 3V. Calculate the voltage
across 2Ω resistor. resistor.Ω resistor.
A 3V B
3
2
V
C 6V D 9V
2Ω resistor.. Consider the circuit shown below. Calculate current i2Ω resistor..
A. 2Ω resistor.A B. 3A C. 4A D. 6A
3. Consider the circuit shown below. Calculate
V10Ω
.
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12

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EE-212 Applied Electric Circuits Final Exam I

Multiple Choices

  1. For the circuit shown below, voltage across 1Ω resistor is 3V. Calculate the voltage

across 2Ω resistor. Ω resistor.resistor.

A 3V B

V

C 6V D 9V

2Ω resistor.. Consider the circuit shown below. Calculate current i2Ω resistor..

A. 2Ω resistor.A B. 3A C. 4A D. 6A

  1. Consider the circuit shown below. Calculate V^ 10 Ω

A. 10V B. 2Ω resistor.0V C. 30V D. 40V

  1. Calculate power consumed by 4 Ω resistor.resistor.

3 Ω

9 Ω

4 Ω

8 A

i 1

A.2Ω resistor.4W B. 36W C. 64W D. 144W

  1. Consider the circuit shown below. If Vo = 6v calculate current in 9 Ω resistor.resistor.

Vs

1 Ω

2 Ω

3 Ω

9 Ω

Vo

is

A. 1A B. 2Ω resistor.A C. 3A D. 4A

  1. Calculate the voltage across 50Ω resistor.

A. 480W B. 72Ω resistor.0W C. 12Ω resistor.00W D. -12Ω resistor.00W

  1. Consider the circuit shown below. Given the current direction, calculate V2Ω resistor.Ω.

12 V

3 V

i

1 Ω

2 Ω

3 Ω

4 Ω

8 Ω

A. -1V B. 1V C. 2Ω resistor.V D. 4V

  1. Calculate the voltage across

R

2

80 Ω

40 Ω

6 V

12 V

R 1

R 2

A. 2Ω resistor.V B. 3V C 4V D 6V

12Ω resistor.. Find the current I 1 in the network.

R 1

40 Ω

R 2

120 Ω

16 A

I 1 I 2

A. 9 A B. 10A C. 11A D. 12Ω resistor.A

  1. Find the power absorbed by the 40

Ω resistor in the above circuit.

R 1

40 Ω

R 2

120 Ω

16 A

I 1 I 2

A. 4860W B. 572Ω resistor.0W C. 5760W D. 62Ω resistor.40W

  1. Find Is in the circuit.

90 Ω

30 Ω

Is 60 Ω 3 V

A. 0.1mA B. -0.3mA C. 0.3A D. 0.3mA

  1. Find Vs in the circuit.

10 Ω

5 Ω 10 Ω

1 A

2 Vx

  • V x

i 1

A 0V B 10V C 2Ω resistor.0V D 2Ω resistor.5V

  1. Use node method to calculate V 1 in the circuit shown below.

40 V

20 Ω

10 Ω 10 Ω

10 Ω

i s V 1

A 10V B 15V C 2Ω resistor.0V D 30V

2Ω resistor.0. Use voltage division to calculate Vo

R 1 = 10 Ω

R 2 = 15 Ω

R 3 = 15 Ω

R 4 = 60 Ω

100 V

V 0

A 10V B 15V C 30V D 60V

2Ω resistor.1. Calculate

R

ab

B

A

A

B

C

D

2Ω resistor.2Ω resistor.. Calculate

R

ab

A

B

A 5

Ω B 10

Ω C 2Ω resistor.

Ω D 40

Ω

2Ω resistor.3. Calculate

R

ab

30 Ω 40 Ω

20 Ω

30 Ω

10 Ω

a

b

A 10

Ω B 15

Ω C 2Ω resistor.

Ω D 30

Ω

2Ω resistor.4. Calculate i

110 V

i

x

4 ix

1

i

2

i

A 0.5A B 0.75A C 0.87A D 1A

2Ω resistor.8. Calculate

R

ab

10 Ω

40 Ω

60 Ω

40 Ω

a

b

A

B

C 50

Ω D 100

Ω

2Ω resistor.9. Calculate

R

ab

30 Ω

2 Ω

8 Ω

a

b

A

B

C

D

  1. For the circuit shown below calculate i x

10 Ω

20 Ω

30 Ω

140 V

2 i x

ix

i 1

i 2

A 0A B 1A C 1.2Ω resistor.A D 2Ω resistor.A

  1. Calculate V 1

10 Ω 5 Ω 5 Ω

5 Ω 5 Ω 5 Ω 5 V

V 1 V 2

A.

V B.

V C.

V D.

V

32Ω resistor.. Calculate i 1 using current mesh method.

2 Ω

10 V 2 Ω 4 A

2 Ω

i 1 i 2

A.

i

1

= 0. 5 A

B.

i

1

= 1. 5 A

C.

i

1

= 2 A

D.

i

1

= 2. 5 A

  1. Using nodal analysis to find V 0 in the circuit.

12Ω resistor.V

2Ω resistor. Ω 4 Ω

2Ω resistor.A 2Ω resistor. Ω

V 0

A 1V B 2Ω resistor.V C 3V D 4V

  1. Using superposition method to calculate V 1.

2 Ω 2 Ω

2 Ω

10 V

1 A

_

V 1

A 4V B 5V C 6V D 8V

  1. Calculate i2Ω resistor..

10 Ω 2 Ω

5 Ω

2 A

3 Ω

I 1 I2Ω resistor.

A 0.5A B 1A C 1.5A D 2Ω resistor.A

  1. Use nodal analysis to find Io in the following circuit.

6 Ω

6 Ω 12 Ω

6 Ω

12 Ω 6 Ω

6 V

I o

A -0.2Ω resistor.5A B 0.2Ω resistor.5A C -0.5A D 0.5A

  1. Use nodal analysis to find V 1 in the following circuit.

12 A

10 Ω 5 Ω

5 Ω 4 Ω

4 Ω

_

V 1

A. 32Ω resistor.V B. 35V C. 38V D. 40V

  1. Calculate VTH and RTH.

60 V

30 V

A. RTh=5Ω, VTh=30V B. RTh=15Ω, VTh=45V

C. RTh=5Ω, VTh=45V D. RTh=15Ω, VTh=30V

42Ω resistor.. Calculate RTh in the circuit below.

12 V

4 Ω 4 Ω 4 Ω

4 Ω

8 Ω

2 Ω

4 A

A. R

Th

=6Ω, V

Th

=7V B. R

Th

=10Ω, V

Th =2Ω resistor.1V

C. RTh=12Ω resistor.Ω, VTh=2Ω resistor.1V D. RTh=12Ω resistor.Ω, VTh=14V

  1. Calculate VTH and RTH.

4 Ω 2 Ω 4 Ω

2 Ω

2 Ω

2 A

6 V

A. RTh=6Ω, VTh=0V B. RTh=8Ω, VTh=4V

C. RTh=6Ω, VTh=4V D. RTh=8Ω, VTh=0V

  1. Calculate VTH and RTH.

6 V

3 V

A. RTh=6Ω, VTh=2Ω resistor.V B. RTh=8Ω, VTh=4V

C. RTh=8Ω, VTh=2Ω resistor.V D. RTh=12Ω resistor.Ω, VTh=4V

  1. Calculate V TH and R TH

2 Ω 2 Ω

2 Ω

2 A

2 Ω

2 Ω

1 Ω

A. RTh=2Ω resistor.Ω, VTh=1V B. RTh=3Ω, VTh=2Ω resistor.V

C. RTh=2Ω resistor.Ω, VTh=1.5V D. RTh=3Ω, VTh=1.5V

  1. Calculate VTH and RTH.

3 Ω 6 Ω

2 Ω 1 Ω

1 Ω

12 V

A. R

Th =2Ω resistor.Ω, V Th =12Ω resistor.V B. R Th =2Ω resistor.Ω, V Th

=6V

C. RTh=6Ω, VTh=12Ω resistor.V D. RTh=6Ω, VTh=6V

  1. Calculate VTH and RTH.

3 Ω

3 Ω 1 Ω

1 Ω

12 V

6 Ω

A. RTh=2Ω resistor.Ω, VTh=8V B. RTh=2Ω resistor.Ω, VTh=12Ω resistor.V

C. RTh=4Ω, VTh=8V D. RTh=6Ω, VTh=12Ω resistor.V