Multiple Choice: What is the minimum dc working voltage rating for a capacitor that must drop...
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What is the minimum dc working voltage rating for a capacitor that
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Shirt /10 pts 2 (10 pts) Half-wave rectifier circuit (Multiple Choice) For the rectifier circuit below,...
Shirt /10 pts 2 (10 pts) Half-wave rectifier circuit (Multiple Choice) For the rectifier circuit below, let the input be a sine wave with a value of 120 Vrms and assume a constant voltage drop model of 0.7 V p D Select a suitable value for R so that the peak diode current does not exceed 50 mA a 2400 0 32250 A. B. 3000 0 C. 3380 0 D the diode? b. What is the greatest reverse voltage that...
18 marks load with a power of 25.6 W.The cy f is 40kHz. sign a buck-boost converter to produce an output voltage of 16V a put voltage ripple must not exceed 1%. The dc input voltage is 24V. Th e swit...
18 marks load with a power of 25.6 W.The cy f is 40kHz. sign a buck-boost converter to produce an output voltage of 16V a put voltage ripple must not exceed 1%. The dc input voltage is 24V. Th e switching frequen 121 a) the duty ratio b) Find the size of the inductor so that the maximum inductor current c) the size of the capacitor d) Assume L=1 00μH and the switching frequency fis variable. 141 121 Lma 10A...
You need to design a DC power supply that provides an average DC output voltage of...
You need to design a DC power supply that provides an average DC output voltage of 5V to charge your cellphone. The maximum allowed ripple at the output is ±200 mV. Your cellphone can be modeled as a 1 50Ω load. You have to use a bridge rectifier with four diodes. Note: For calculations, consider constant voltage drop model of the diode with V0 = 0.7V. (a) The charger is designed to use in the US, i.e. transformer primary is...
Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect all b) Find the resistance looking into the base of 10 m c) Find the small signal voltage gain Vout/Vin d) What is the approximate DC val...
Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect all b) Find the resistance looking into the base of 10 m c) Find the small signal voltage gain Vout/Vin d) What is the approximate DC value of Vx? base currents. transistor Q1. (Hint: use the results of (b)!) Q1 +Vin C=infinite 200 for all transistors Beta 50 ohms Vout Q2 Q3 5 volts
Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect...
a) Using the constant voltage drop (CVD) model, what is the minimum input voltage that can...
a) Using the constant voltage
drop (CVD) model, what is the minimum input
voltage that can reach the MOS circuitry before a diode
turns on, shunting the current to ground? (At this point you
can assume R1 = R2 = 0Ω)
b) Using the constant voltage drop (CVD) model, what is the
maximum input voltage that can reach the MOS
circuitry before a diode turns on, shunting the current to the
supply (Vdd)? (At this point you can assume R1...
Super short and brief Multiple Choice, please provide explanations too so I can understand this stuff!...
Super short and brief Multiple Choice, please provide explanations too so I can understand this stuff! 1.A parallel-plate capacitor (air-filled) is connected to a constant voltage battery. If the battery is disconnected and then the separation between the capacitor plates is doubled, the energy stored in the capacitor will a)increase by a factor of 4 b)double c)remain unchanged d)drop to one-half its previous value e)drop to one-fourth its previous value. 2. A large conducting sphere with radius 10 cm has...
Multiple Choice (6 pts each) 1. An air filled capacitor consisting of two parallel plates separated...
Multiple Choice (6 pts each) 1. An air filled capacitor consisting of two parallel plates separated by a distance d is cons battery of constant voltage V and acquires a charge Q. While still connected to the ba slab of dielectric with 3 is inserted between the plates of the capacitor. What happe the capacitance and charge on the capacitor? Capacitance a) Increase b) Decrease c) Increase d) Decrease e) Increase Charge Stay the same Stay the same Increase Decrease...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator to the transmission-line voltage of 345 kV-om. If the primary winding has 80 turns, how many turns must the secondary have? b. 70 c. 920 d. 9200 e 12 33. The primary winding of an electric train transformer has 400 turns and the Secondary has 50. If the input voltage is 120V(rms) what is the output voltage? a. 15 V (rms) b. 30 Vrms)...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one of the following is correct about D'Arsonvals E. DC sensitivity is 3462/V and the required multiplier resis tance is 207.6kN which must be connected in series with the D'Arsonval A. the deflection stops in D'Arsonvals due to restoring torque produced by control spring. The unit of control spring con- stant is Nm B. the deflection stops in D'Arsonvals due to deflection torque produced by...
Introduction to Electrical Systems and Chapter 1 1. What is voltage? A. The force that causes...
Introduction to Electrical Systems and Chapter 1 1. What is voltage? A. The force that causes a circuit to energize. B. The force that works against resistance. C. The force that pushes electrons through the circuit. D. The force that causes heating and movement in electrical equipment. 2. What can cause death when a person is electrocuted? A. The electric shock stops the lungs from working B. The electric shock stops brain functions. C. Stops the heart or creates an...
Shirt /10 pts 2 (10 pts) Half-wave rectifier circuit (Multiple Choice) For the rectifier circuit below, let the input be a sine wave with a value of 120 Vrms and assume a constant voltage drop model of 0.7 V p D Select a suitable value for R so that the peak diode current does not exceed 50 mA a 2400 0 32250 A. B. 3000 0 C. 3380 0 D the diode? b. What is the greatest reverse voltage that...
18 marks load with a power of 25.6 W.The cy f is 40kHz. sign a buck-boost converter to produce an output voltage of 16V a put voltage ripple must not exceed 1%. The dc input voltage is 24V. Th e switching frequen 121 a) the duty ratio b) Find the size of the inductor so that the maximum inductor current c) the size of the capacitor d) Assume L=1 00μH and the switching frequency fis variable. 141 121 Lma 10A...
You need to design a DC power supply that provides an average DC output voltage of 5V to charge your cellphone. The maximum allowed ripple at the output is ±200 mV. Your cellphone can be modeled as a 1 50Ω load. You have to use a bridge rectifier with four diodes. Note: For calculations, consider constant voltage drop model of the diode with V0 = 0.7V. (a) The charger is designed to use in the US, i.e. transformer primary is...
Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect all b) Find the resistance looking into the base of 10 m c) Find the small signal voltage gain Vout/Vin d) What is the approximate DC value of Vx? base currents. transistor Q1. (Hint: use the results of (b)!) Q1 +Vin C=infinite 200 for all transistors Beta 50 ohms Vout Q2 Q3 5 volts
Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect...
a) Using the constant voltage
drop (CVD) model, what is the minimum input
voltage that can reach the MOS circuitry before a diode
turns on, shunting the current to ground? (At this point you
can assume R1 = R2 = 0Ω)
b) Using the constant voltage drop (CVD) model, what is the
maximum input voltage that can reach the MOS
circuitry before a diode turns on, shunting the current to the
supply (Vdd)? (At this point you can assume R1...
Multiple Choice (6 pts each) 1. An air filled capacitor consisting of two parallel plates separated by a distance d is cons battery of constant voltage V and acquires a charge Q. While still connected to the ba slab of dielectric with 3 is inserted between the plates of the capacitor. What happe the capacitance and charge on the capacitor? Capacitance a) Increase b) Decrease c) Increase d) Decrease e) Increase Charge Stay the same Stay the same Increase Decrease...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator to the transmission-line voltage of 345 kV-om. If the primary winding has 80 turns, how many turns must the secondary have? b. 70 c. 920 d. 9200 e 12 33. The primary winding of an electric train transformer has 400 turns and the Secondary has 50. If the input voltage is 120V(rms) what is the output voltage? a. 15 V (rms) b. 30 Vrms)...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one of the following is correct about D'Arsonvals E. DC sensitivity is 3462/V and the required multiplier resis tance is 207.6kN which must be connected in series with the D'Arsonval A. the deflection stops in D'Arsonvals due to restoring torque produced by control spring. The unit of control spring con- stant is Nm B. the deflection stops in D'Arsonvals due to deflection torque produced by...
Introduction to Electrical Systems and Chapter 1 1. What is voltage? A. The force that causes a circuit to energize. B. The force that works against resistance. C. The force that pushes electrons through the circuit. D. The force that causes heating and movement in electrical equipment. 2. What can cause death when a person is electrocuted? A. The electric shock stops the lungs from working B. The electric shock stops brain functions. C. Stops the heart or creates an...
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