Circuit Theorems In Ac Analysis MCQ Questions & Answers | Electrical Engineering Page-2 section-1

11.
In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.

A. True

B. False

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12.
Determine V_TH for the circuit external to RL in the given figure.

A. 135 ∠63.4° V

B. 13.5 ∠63.4° V

C. 13.5 ∠0° V

D. 135 ∠0° V

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13.
An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.

A. True

B. False

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14.
A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.

A. True

B. False

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15.
Referring to the given circuit, find Z_TH if R is 15 kΩ and RL is 38 kΩ.

A. 89.82 ∠-51.3° kΩ

B. 19.2 ∠-38.3° kΩ

C. 9.38 ∠-51.3° kΩ

D. 180 ∠-38.3° kΩ

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16.
For the circuit given, determine the Thevenin voltage as seen by RL.

A. 0.574 ∠16.7° V

B. 5.74 ∠16.7° V

C. 0.574 ∠-16.7° V

D. 5.74 ∠-16.7° V

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17.
Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.

A. 1,027 Hz

B. 10,270 Hz

C. 6,330 Hz

D. 63,330 Hz

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18.
The superposition theorem is useful for circuit analysis only in ac circuits.

A. True

B. False

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19.
In order to get maximum power transfer from a capacitive source, the load must

A. Have a capacitive reactance equal to circuit resistance

B. Have an impedance that is the complex conjugate of the source impedance

C. Be as capacitive as it is inductive

D. None of the above

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20.
In applying the superposition theorem,

A. The sources are considered one at a time with all others replaced by their internal impedance

B. All sources are considered independently

C. All sources are considered simultaneously

D. The sources are considered one at a time with all others replaced by their internal resistance

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Circuit Theorems In Ac Analysis MCQ Questions & Answers | Electrical Engineering

11. In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.

Answer & Solution

12. Determine VTH for the circuit external to RL in the given figure.

Answer & Solution

13. An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.

Answer & Solution

14. A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.

Answer & Solution

15. Referring to the given circuit, find ZTH if R is 15 kΩ and RL is 38 kΩ.

Answer & Solution

16. For the circuit given, determine the Thevenin voltage as seen by RL.

Answer & Solution

17. Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.

Answer & Solution

18. The superposition theorem is useful for circuit analysis only in ac circuits.

Answer & Solution

19. In order to get maximum power transfer from a capacitive source, the load must

Answer & Solution

20. In applying the superposition theorem,

Answer & Solution

11.
In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.

12.
Determine V_TH for the circuit external to RL in the given figure.

13.
An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.

14.
A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.

15.
Referring to the given circuit, find Z_TH if R is 15 kΩ and RL is 38 kΩ.

16.
For the circuit given, determine the Thevenin voltage as seen by RL.

17.
Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.

18.
The superposition theorem is useful for circuit analysis only in ac circuits.

19.
In order to get maximum power transfer from a capacitive source, the load must

20.
In applying the superposition theorem,