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Electrical Engineering Chapter 1 1 Engineering notation is typically used in the expression
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Pico is what relation to micro? 1) A) 1/10th B) 1/100th C) 1/1,000th D) 1/1,000,000th 2) 86,000 expressed in scientific notation equals […]
Electrical Engineering Chapter 10 1 When an AC voltage is supplied to an RC circuit
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 10–4 1) This frequency response curve in Figure 10–4 represents what type of filter? 1) A) low pass B) band stop C) […]
Electrical Engineering Chapter 10 2 As the frequency applied to an RC circuit varies, both XC
Figure 10–1 34) If the operating frequency increases in Figure 10–1, how does the phase angle change? 34) A) It decreases. B) It remains the name. C) It changes to another quadrant. D) It increases. 35) Calculate the apparent power […]
Electrical Engineering Chapter 11 1 Determination of an inductor’s value can be had
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If a 25 mH inductor drops 50 V while operating at 400 Hz, what is XL? 1) A) 62.8 k B) 628 […]
Electrical Engineering Chapter 12 1 It is suspected that a high pass filter’s cutoff frequency
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 12–3 1) If some of the turns of the inductor in Figure 12–3 have shorted, how will the circuit change? 1) A) […]
Electrical Engineering Chapter 13 1 The selectivity of a given band-pass filter has degraded
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The output voltage of a circuit at 70.7% of its maximum level measured in dB is: 1) A) –7 db. B) –3 […]
Electrical Engineering Chapter 14 1 How can the windings ratio be safely determined for an
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The turns ratio of a transformer (n) is defined as: 1) A) the number of turns in the primary divided by the […]
Electrical Engineering Chapter 15 1 differentiator with an open capacitor will look like the
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A given circuit using an RC integrator to turn on after 20 seconds now takes has been taking much longer to turn […]
Electrical Engineering Chapter 16 1 If a diode shorts in a full- wave rectifier
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A DC voltage that sets the operating conditions of a semiconductor device is called the ________. 1) A) battery B) bias C) […]
Electrical Engineering Chapter 16 2 Most diodes are made from a semiconductor material
50) The ripple voltage from a power supply ________. 50) A) is very high B) is zero C) varies with load D) is about 1 V 51) If you measure 0.7 V across a diode, the diode is probably made […]
Electrical Engineering Chapter 17 1 these amplifiers has high input resistance and low output
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) When a BJT amplifier is saturated, VCE is about ________ and IC is ________. 1) A) 25 V, 10 mA B) zero, […]
Electrical Engineering Chapter 17 2 To analyze the operation of a BJT in an amplifier circuit
46) Which one of these characteristics is found in a common–collector amplifier? 46) A) a current gain of one B) a low input resistance C) a very high power gain D) a high input resistance 47) If the base–emitter junction […]
Electrical Engineering Chapter 18 1 Which of these amplifiers provides a high input resistance
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) One characteristic of a voltage follower is its ________. 1) A) large voltage gain B) high output impedance C) non–inversion D) phase […]
Electrical Engineering Chapter 19 1 An op-amp summing amplifier has no limitations on the
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 19–5 1) The curve in Figure 19–5 is from a ________ and its lower cutoff frequency equals ________. 1) A) two–pole high–pass […]
Electrical Engineering Chapter 2 1 Which of the following is not a type of variable resistor
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 2–2 1) In Figure 2–2, if you place a voltmeter’s red lead on point E and its black lead on point H, […]
Electrical Engineering Chapter 20 1 instrumentation amplifier usually comes from
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In some respects an isolation amplifier is nothing more than an elaborate: 1) A) instrumentation amplifier. B) op amp. C) rectifier and […]
Electrical Engineering Chapter 21 1 What affects the accurate operation of a resistance
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following devices changes resistance inversely with the temperature? 1) A) thermocouple B) thermistor C) triac D) RTD 2) What […]
Electrical Engineering Chapter 3 1 what are the maximum and minimum possible current
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 3–1 1) If V = 60 V and R = 47 k in Figure 3–1, the current equals ________. 1) A) 1.28 […]
Electrical Engineering Chapter 4 1 The voltage drop across any resistor or combination of
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The voltage drop across any resistor or combination of resistors in a series circuit equals: 1) A) the product of the circuit […]
Electrical Engineering Chapter 5 1 Each branch in a four-branch parallel circuit carries 10 mA
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If a 1 M resistor, 0.47 M resistor and 0.5 M resistor are connected in parallel across an 18 V source, what […]
Electrical Engineering Chapter 6 1 maximum power is delivered to any load when the load
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 6–2 1) If R1= 50 k, R2= 10 k, R3= 10 k, R4= 50 k and R5= 10 k in Figure 6–2, […]
Electrical Engineering Chapter 6 2 If two resistors are in parallel, they drop the same voltage
37) The parallel combination of a 330 resistor and a 470 resistor is connected in series with the parallel combination of four 1 k resistors. If a 100 V source is connected across the circuit, then which resistor […]
Electrical Engineering Chapter 7 1 Applying an ac voltage to an electromagnet’s coil
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) An ampere–turn is a unit of ________. 1) A) resistance B) reactance C) magnetomotive force (mmf) D) permeability 2) If a higher […]
Electrical Engineering Chapter 8 1 Current flows both ways simultaneously in an AC circuit
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Figure 8–2 1) Find RT in Figure 8–2. 1) A) 4.7 k B) 4.77 k C) 6.2 k D) 1.13 k 2) Find […]
Electrical Engineering Chapter 9 1 approximately how much voltage will the capacitor drop
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If a 1 µF, 2.2 µF and 0.05 µF capacitor are connected in series, CT is less than ________. 1) A) 2.2 […]