195 Answered Questions for the topic electrical engineering
Traffic Sign Design
You are asked to design a Traffic sign using a PIC16F877A, 3 LEDs, one Seven Segment Display and one Buzzer. The green LED must be connected to PORTB0, the yellow LED must be connected... more
How much energy, in kJ, does a 75 Watt light bulb use if turned on for one second?
How much energy, in kJ, does a 75 Watt light bulb use if turned on for one second? how much energy, in kJ, does a 50 Watt light bulb use if turned on for one hour? what is the energy consumed... more
find the flux of the vector field
Let (S) the portion of the sphere " x2 +y2+z2=1 " that lies above xy-plane.Find the flux of the vector field:F = x i + y j + z k across (S)
Corrosion cell on electrochemistry
Write the equations of selective corrosion of the alloy Cu/Zn in a neutral medium and in a medium of H3PO4.
Electrochemistry (galvanic cells)
1.Draw cell diagrams of galvanic cells one of which Mn is the anode, the other − the cathode. Write the electrode reactions. Calculate E0cell.2. Calculate the potential of Cr-electrode... more
1. Draw cell diagrams of galvanic cells one of which Zn is the anode, the other − the cathode. Write the electrode reactions. Calculate E0cell. 2. Calculate the cell potential of Mg/Nigalvanic cell... more
A full-wave rectifier is connected to a sinusoidal waveform with an amplitude of 10V and a load resistor of 1k ohms. What is the Vrms of the circuit?
16) A coil has an inductance of 3 Henry’s, what will be the voltage drop across it if the frequency is 60 HZ and current is 4 amps?
8) The power produced in a electrical circuit with a current flow of 10 amps and a voltage of 277 volts DC is?
Please help with CS
True or False and explain, Methods can exist inside the main (Runner) class.True or False and explain. The toString() method is unique and defaulted to every object. True or False and explain. You... more
Power amplifier with driver
Consider the circuit of Figure 1 using Vcc = 6 volts, Vee = −6 volts, R1 = 6.8 kΩ, R4 = 1 kΩ, R3 = 100 Ω, Rload = 100 Ω, Cin = 1 µF and Cout = 100 µF. R2 is an adjustable resistance (pot or decade... more
Electrical Engineering Physics
Working of Voltmeter
I can't understand the working of the analog voltmeter. An analog voltmeter is made by combining high resistance with a pivoted coil galvanometer which essentially works when CURRENT passes through... more
Electrical Circuit Basics
When we connect an R resistor to a battery battery, the resistor's ends voltage is measured at 240 V. When we add 10 Ω to this resistance, the circuit current becomes 5 A, and when 20 Ω is removed,... more
Determine the maximum length in an AWG conductor if the current is 15 amps. The voltage drop is limited to a maximum of 3%. ASSUME part 1 120 V and part 2240 V
Write all equations, and then your numbers in the equation AND all UNITS!! solve for both 120V and 240VI=E/R same as E (volt)= I (amp) xR (ohm) same as V drop=I x R line How much is V drop... more
3. What is the minimum size conductor that can be used for the electrical clothes dryer shown?
Given:120/240V60Hz5300W3wire or 4 wire
How do I calculate the instantaneous voltage?
A sine wave voltage has a maximum value of 12 V and a frequency of 80 Hz. Calculate the instantaneous voltage at 10 ms. It's a multiple choice question and the following choices are:A. -11.4 VB. 0... more
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Electrical Engineering Electro Dynamics
I need help with Electro Dynamics . I am a junior year Electrical Engineer student.
Please help with this question!!!
The cardinality of the set is , while the cardinality of the set is ----------- while the cardinality of the set is--------
Please help with the following math question!!!
Let and and . Which of the following statements is (are) true?(can have many answers)a.)b.)c.)d.)e.)f.) Which of the following statements is (are) true? . Which of the following statements is... more
Please help with the power set!!!!
Which of the following is the power set of ? a.) 4b.)c.)d.)e.) ?
Please help with the following is a subset!!!
Which of the following is a subset of ?Note: There may be multiple correct answers!a.) b.) c.) d.) e.)
Please help with the cardinality of the following set!!!!
What is the cardinality of the following set?(This can have many answers)a.) 0b.) 4c.) 7d.) 3