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1- Describe how the MOSFET acts as a switch. What could bedone to make the MOSFET ON when the square wave is negative and OFF when the square is positive?2- How is the magnitude of the control voltage determined?3- What is the "Nyquist criteria"?
What is the cross price elasticity of demand between XYZ's and AB C's widgets?
At what temperature do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455C. At what temperature do hydrogen molecules have the same average kinetic energy.
The transfer function of a discrete time system is given by H H(z) = z/(z-0.5) The system has a sampling rate of 100 Hz. Calculate the frequency response of the system at 25 Hz input frequency as a complex number in both rectangular and polar f..
Will a 12VDC power supply capable of delivering 1 amp be able to power this heater (resistor). Use Ohm's law to show whether or not the power supply will be able to deliver the required current.
Suppose that two optical guides embedded in a substrate such as LiNbO3 are coupled as in the below figure and the transmission length Lo=10mm. If the coupling separation d is =10µm, n = 2.2, the operating wavelength is 1.3µm
Write a Matlab program to calculate the electric field due to a line of charge of length 1m. a) Describe the line of charge as a collection of point charges centered on the z-axis. Calculate the electric scalar potential of that same line of charge.
An amplifier with a power gain of 3dB is to be characterized. The test apparatus provides a SNR of 20dB at the input and measures a SNR of 15dB at the output. Find the amplifier's NF. Specifications for (2), (3), (4) and (5).
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.
A walker's cassette tape player uses four AA batteries in series to provide 6 V to the player circuit. The four alkaline battery cells store a total of 200 watt-seconds of energy. If the cassette player is drawing a constant 10 mA from the battery..
A series circuit has a 9V voltage source with 1 k-ohm internal resistance. Fixed resistors in the circuit provide, 200-ohm and 400-ohm resistance, respectively. To what resistance should a 300-ohm potentiometer be adjusted
The ac voltage that is supplied from a wall plug to the incandescent light is 170V sin[(377 rad/s)t]. If the current flowing through the light is 350 mA sin[(377 rad/s)t], determine the power that the light is consuming.
A Schottky diode and a p-n junction we are looking at (roomtemperature) both have cross-sectional areas of 5x10-4cm2. We find their reverse saturation currents are 30 nA/cm2 and 3 pA/cm2,respectively.
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