Qstion 1nbsp1nbsptco 1 the signal is 5 sin 2 pi 2000 t

Question

Question 1. 1. (TCO 1) The signal is 5 sin (2 pi 2000 t + 60 degrees). The amplitude of this signal is        5 VPP        3.535 VPP        3.535 VRMS        3.535 VPK

Question 2. 2. (TCO 1) The signal is 10 sin (2 pi 1000 t + 30 degrees). The frequency of this signal is        2000 Hz        1000 Hz        6280 Hz        10 kHz

Question 3. 3. (TCO 1) The signal is 10 sin (2 pi 1000 t + 30 degrees). The phase shift of this signal is        +60 degrees        +30 degrees        -30 degrees        -90 degrees

Question 4. 4. (TCO 1) The signal is 10 sin (2 pi 1000 t + 30 degrees). The voltage displayed on the DMM is        10 V PP        7.07 V PP        7.07 VRMS        10 VPK

Question 5. 5. (TCO 1) Capacitive reactance XC is        inversely related to only frequency.        inversely related to only inductance.        inversely related to the product of [2 , times the capacitance C and frequency f].        No correct answer listed

Question 6. 6. (TCO 2) In an AC circuit with reactance XC in series with a resistor the circuit current        leads the applied voltage.        lags the applied voltage.        voltage and the current are in phase.        No correct answer is listed

Question 7. 7. (TCO 2) For the following series AC circuit, the angle of the circuit impedance is        0 degrees        +90 degrees        +45 degrees        -45 degrees

Question 8. 8. (TCO 2) For the following series AC circuit, the phase angle of the circuit current is          0 degrees        +90 degrees        +45 degrees        -45 degrees

Question 9. 9. (TCO 2) For the following series AC circuit, the total circuit impedance is:        100 + j 100         100 - j 100         100 - j 200         100 + j 300

Question 10. 10. (TCO 3) For the parallel AC circuit shown below, find the circuit current IS . Note that Vin AC is mislabeled, it should be 10V, NOT 10 sin(ω t).        0.1 + j 0.1 A        0.1 - j 0.1 A        0.1 A        j 0.1 A

Question 11. 11. (TCO 3) The total admittance for the following circuit is Hint: YT = G + j (BC - BL) siemens; G = 1/R siemens; BC = C siemens and BL = 1/[ L ] Siemens        0.005 - j 0.015 siemens        0.005 + j 0.015 siemens        0.01 - j 0.005 siemens        0.01 + j 0.005 siemens

Question 1. 1. (TCO 4) Determine the resonance frequency of the following circuit to the nearest integer value.        563 Hz        1125 Hz        281 Hz        1000 Hz Question 2. 2. (TCO 4) We need to purchase an inductor coil for a resonance circuit resonating at 1500 kHz; the operating bandwidth is 10 kHz. What is the quality factor Q of the coil?        150        30        10        1500 Question 3. 3. (TCO 5) The Thevenin's theorem is used        to calculate the open circuit voltage at the output of a circuit.        to analyze any circuit with multiple sources using one at a time.        to calculate the short circuit current at the output of a circuit.        to calculate the open circuit current at the input of a circuit. Question 4. 4. (TCO 6) In an audio system we need to feed the audio signal to a woofer (a low frequency speaker). This can be accomplished by using a ______.        band pass filter        low pass filter        high pass filter        band stop filter Question 5. 5. (TCO 6) The cut off frequency is also known as the ______.        resonance frequency        full power point        3 dB point        unity gain point Question 6. 6. (TCO 7) We need to bring down the voltage from 1200 V to 120 V. The transformer turns ratio is ______.        1:10        1:100        10:1        5:1 Question 7. 7. (TCO 7) To convert from AC to DC using a center tap transformer, we need to use ___ diodes.        1        3        2        4 Question 8. 8. (TCO 1) The significance of RMS in reference to a sine wave is _______.                Question 9. 9. (TCO 2) How do you find the total reactance of multiple capacitive reactances connected in series?

 

Question 1. 1. (TCO 3) What is the phase angle of a capacitive susceptance?              Question 2. 2. (TCO 4) For a given tank circuit resonance frequency, what is the parameter that determines the bandwidth?              Question 3. 3. (TCO 5) If we need to obtain the open circuit voltage and an equivalent impedance at the circuit load terminals which circuit theorem comes handy?  Question 4. 4. (TCO 6) A low pass filter has a cut-off frequency of 5 kHz and a high pass filter has a cut-off frequency of 8 kHz. These two circuits are connected back to back in cascade to form an input-output system. How does this combination work, band pass or band stop?