A 3.5 mA
B 5.5 mA
C 9 mA
D 11.4 mA

A 6.4 kHz
B 47.2 kHz
C 53.7 kHz
D 60.2 kHz

Q3: At any resonant frequency, what net voltage is measured across the two series reactive components?

A Applied voltage
B Reactive voltage
C Zero voltage
D
VL + VC voltage

A 6.8 V
B 11.9 V
C 16.1 V
D 22.9 V

Q5: Series RLC voltage or impedance totals must be calculated by:

A subtracting the values
B graphing the angles
D multiplying the values

A 0.279
B 0.479
C 0.679
D 0.879

Q7: What is the band pass (F1 – F2) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?

A 100.0 kHz to 155.0 kHz
B 147.5 kHz to 152.5 kHz
C 295.5 kHz to 4500 kHz
D 149,970 Hz to 150,030 Hz

Q8: When XC = XL the circuit:

A draws maximum current
B applied voltage is zero
C is at resonance
D draws minimum current

A 11.6 Hz
B 275.8 Hz
C 1.5 kHz
D 3.2 kHz

Q10: Which statement best describes reactance in a series RLC circuit?

A Capacitive reactance is always dominant.
B Inductive reactance is always dominant.
C Resistance is always dominant.
D The larger of the two reactances is dominant.

A 0 A
B
284 A
C 3.3 mA
D 38.5 mA

A 76.7 degrees
B –4.25 degrees
C 88.8 degrees
D –76.7 degrees

A 12.2 k
B 14.5 k
C 17.8 k
D 20.3 k

Q14: Current in a series RLC circuit may always be used as:

B a reference
C an angle
D a lagging vector

A 0.001
B 50
C 80
D 4.0

A
125.7
B
297.6
C
370.1
D
423.3

Q17: What would be the power factor for an RLC circuit that acts inductively?

B one
C zero
D –90 degrees lagging

Q18: When a full band of frequencies is allowed to pass through a filter circuit to the output, the resonant circuit is called a:

A low-pass filter
B high-pass filter
C band-stop filter
D bandpass filter

A 50
B 62.3
C 70.7
D 95.3

A 6.5 kHz
B 53.7 kHz
C 107.4 kHz
D 18.1 MHz

Q21:Series RLC impedance or voltage totals must always be calculated by

B graphing the angles
C multiplying the values
D subtracting the values

A
1.05 k
B
1.33 k
C
2.19 k
D
3.39 k

A capacitively
B resistively
C inductively
D resonantly

A 31.8 Hz
B 71 Hz
C 7.1 kHz
D 31.8 kHz

Q25: What effect will a parallel tank have upon final filter current?

A very little
B The bandpass frequencies will change.
C The frequency cutoff will change.
D The impedance will block output.

A 11.6 Hz
B 275.9 Hz
C 1.5 kHz
D 3.2 kHz

A
61.4º
B
28.5º
C
-28.5º
D
-61.4º

A 999
B 223
C 2.2
D 0.99

A –45.0 degrees
B –82.7 degrees
C –90.0 degrees
D –172.7 degrees

Q30: If the bandwidth of a filter increases:

A Q decreases
B the roll-off rate increases
C the half-power frequency decreases
D the center frequency decreases

Q31:What is the voltage across R1, C1, and L1?

A VR = 156 V, VC = 165 V, VL = 441 V
B VR = 178 V, VC = 187 V, VL = 503 V
C VR = 219 V, VC = 232 V, VL = 619 V
D VR = 260 V, VC = 276 V, VL = 735 V

A 15.6 mA
B 17.8 mA
C 21.9 mA
D 26.0 mA

A 56.6 mA
B 141 mA
C 191 mA
D 244 mA

A 2125 Hz
B 2250 Hz
C 1750 Hz
D 8.0 Hz

A 257.8 ohms
B 259.9 ohms
C 290.8 ohms
D 1989.75 ohms

A current
B reactance
C resistance
D voltage

A 31.8 Hz
B 32.3 Hz
C 142 Hz
D 7.2 kHz

Q38: When a parallel circuit resonates it is said to:

A flywheel
B oscillate
C both of the above
D none of the above

A 15.0 watts
B 22.5 watts
C 30.0 watts
D 45.0 watts

A 3.00 V
B 12.37 V
C 34.98 V
D 48.00 V

Q41: What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?

A 100.0 kHz to 155.0 kHz
B 147.5 kHz to 152.5 kHz
C 4500 kHz to 295.5 kHz
D 149,970 Hz to 150,030 Hz

Q42: In a series RLC circuit the current can be found using:

A
B
C both of the above
D none of the above

A 1 A
B 1 mA
C 6.28 A
D 10 A

Q44: At any resonant frequency, what voltage is measured across the two series reactive components?

A applied
B reactive
C zero
D inductive and capacitive

Q45:What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?

A 100.0 kHz to 155.0 kHz
B 147.5 kHz to 152.5 kHz
C 4500 kHz to 295.5 kHz
D 149,970 Hz to 150,030 Hz

Q46: How much current will flow in a 100 Hz series RLC circuit if VS = 20 V, RT = 66 ohms, and XT = 47 ohms?

A 1.05 A
B 303 mA
C 247 mA
D 107 mA

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