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A constant current, I, is applied to charge a parallel plate capacitor of area A and separation between plates, d.
What is the E field strength inside the capacitor as a function of time?
What is the displacement 'current' density between the plates, and what is its orientation relative to the E field?
Is the displacement current real - i.e. are charges transported between plates?
Compare the magnitude of the total displacement current to the magnitude of the current brought through wires to charge the plates. Sketch the B field between the plates. Is your sketch similar to the one in problem 4?
A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the car, how fast is the truck moving in km/h
Write the expression for the current through the capacitor after the switch is closed. The circuit is a 60 Volt circuit
The nameplate on a 50-MVA, 60-Hz single-phase transformer indicates that it has a voltage rating of 8.0-kV: 78-kV. An open-circuit test is conducted from the low-voltage side, and the corresponding instrument readings are 8.0kV, 62.1A, and 206kW.
Consider a zero-phase sine function, x(t), with frequency ?=1.3rad/sec. What is the minimum positive time shift needed to turn this function into a zero-phase cosine of the same frequency
During the cyber security activity conducted in class by Renee Etoty, you were asked to identify systems that were conducting or experiencing cyber attacks. You will use the data provided during this activity to develop a program to display.
Your program should be efficient in the use of memory and computational complexity.
A continuous time system, described by y(t) = 5 Cos (2*pi*20*t + pi/2), is sampled at a rate 320 Hz. (a) Write the mathematical expression that describes the discrete time (sampled) signal. (b) Calculate the value of the discrete signal for n = ..
Suppose it is known that a 5MHz transducer axis makes an angle of 30 degrees relative to the direction of motion of blood in a vessel. If the Doppler frequency is measured to be +500Hz, what is the velocity of the blood
A single-loop negative feedback system has the loop transfer equation: L(s) = Gc(s)G(s) = K(s + 2)2 / (s(s2 + 1)(s + 8)) a. Sketch the root locus for 0 K infinity to indicate the significant features of the locus.
For the given circuit, determine the function of it I.e. is it OR gate? Or AND gate,.. Show all your answer, also draw the symbol and truth table of it.
An assembly line can produce 90 units per hr. The line hrly cost is $4500 on stright line ( the first 8 hrs). Workers are guaranteed a minimum of 6 hrs. There is a 50% premiun for overtime (time and a half), how ever productivity drops by 5%.
he sensor to be used has a transfer function of ? Q volts, where Q is in gal/min, and an output impedance of 2.0 k?. Tests show that the output of the sensor has 60 Hz noise of 0.8 V rms. Design a signal-conditioning system, including noise filter..
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