#### The Following Section consists of Multiple Choice Questions on RLC Circuits and Resonance.

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RLC Circuits and Resonance MCQ

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##### 1. Question

1 points#### In a series RLC circuit that is operating above the resonant frequency, the current

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##### 2. Question

1 points#### If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth

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##### 3. Question

1 points#### A resonant circuit has a lower critical frequency of 7 kHz and an upper critical frequency of 13 kHz. The bandwidth of the circuit is

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##### 4. Question

1 points#### If the value of C in a series RLC circuit is decreased, the resonant frequency

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##### 5. Question

1 points#### To tune a parallel resonant circuit to a higher frequency, the capacitance should be

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##### 6. Question

1 points#### In a certain series resonant circuit, V

_{C}= 125 V, V_{L}= 125 V, and V_{R}= 40 V. The value of the source voltage isCorrectIncorrect - Question 7 of 7
##### 7. Question

1 points#### A certain series resonant circuit has a bandwidth of 2 kHz. If the existing coil is replaced with one having a higher value of Q, the bandwidth will

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RLC Circuits and Resonance MCQ 2

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- Question 1 of 20
##### 1. Question

1 points#### What is the applied voltage for a series RLC circuit when I

_{T}= 3 mA, V_{L}= 30 V, V_{C}= 18 V, and R = 1000 ohms?CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### In a parallel RLC circuit, which value may always be used as a vector reference?

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### How much current will flow in a 100 Hz series RLC circuit if V

_{S}= 20 V, R_{T}= 66 ohms, and X_{T}= 47 ohms?CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### What is the Q (Quality factor) of a series circuit that resonates at 6 kHz, has equal reactance of 4 kilo-ohms each, and a resistor value of 50 ohms?

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##### 5. Question

1 points#### What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?

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##### 6. Question

1 points#### What effect will a parallel tank have upon final filter current?

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##### 7. Question

1 points#### When a parallel circuit resonates it is said to:

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##### 8. Question

1 points#### Series RLC voltage or impedance totals must be calculated by:

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##### 9. Question

1 points#### When X

_{C}= X_{L}the circuit:CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### When a full band of frequencies is allowed to pass through a filter circuit to the output, the resonant circuit is called a:

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##### 11. Question

1 points#### At resonance, the term bandwidth includes all frequencies that allow what percentage of maximum current to flow?

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##### 12. Question

1 points#### What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?

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##### 13. Question

1 points#### What is the current phase angle for a parallel RLC circuit when I

_{L}= 15.3 A, I_{C}= 0.43 A, and I_{R}= 3.5 A?CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### At any resonant frequency, what voltage is measured across the two series reactive components?

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##### 15. Question

1 points#### At any resonant frequency, what net voltage is measured across the two series reactive components?

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##### 16. Question

1 points#### If the bandwidth of a filter increases:

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##### 17. Question

1 points#### Series RLC impedance or voltage totals must always be calculated by

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##### 18. Question

1 points#### What is the total impedance of a 60 Hz series RLC circuit when X

_{L}= 7.5 ohms, X_{C}= –265.3 ohms, and R = 33 ohms?CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### What is the high cutoff frequency for an RLC circuit that resonates at 2000 Hz and has a bandwidth of 250 Hz?

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##### 20. Question

1 points#### Current in a series RLC circuit may always be used as:

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RLC Circuits and Resonance MCQ 3

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- Question 1 of 5
##### 1. Question

1 points#### What is the approximate phase angle in a series RLC circuit when V

_{C}= 117 V, V_{R}= 14.5 V, and V_{L}= 3.3 V?CorrectIncorrect - Question 2 of 5
##### 2. Question

1 points#### Which statement best describes reactance in a series RLC circuit?

CorrectIncorrect - Question 3 of 5
##### 3. Question

1 points#### What is the band pass (F

_{1}– F_{2}) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?CorrectIncorrect - Question 4 of 5
##### 4. Question

1 points#### What would be the power factor for an RLC circuit that acts inductively?

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##### 5. Question

1 points#### Voltage lags current in an RLC circuit when it acts:

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