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Draw the current waveform for each circuit in Figure 11-60 when there is a 10 V peak sinusoidal voltage at the anode. Neglect the forward voltage of the PUT.
Explain what a limit switch is, its function, and how it affects the control circuit.
Develop a state diagram for a sequential circuit that has two input terminals (W and X) and two output terminals (Y and Z). When three consequtive 1's are detected on W, Y will become 1.
The output goes to a 6-bit DAC for which OOH is AC off and 63H is AC maximum cooling. Specify the control equations that must be used. What is the resolution in tem-perature control?
A 10m diameter cylindrical tank is emptied by a constant outflow of 1 m3 /min. A two position controller is used to open and close a fill valve with an open flow of 3 m3 /min. For level control the neutral zone is 1m and the setpoint is 10m.
Calculate the frequency and line voltage of a delta-connected generator with the following characteristics:
The fermi energy level for a particular T = 300K is 6.25 eV. The electrons in this material follow the Fermi-Dirac distribution function. (a) Find the probability of an energy level at 6.50 eV being occupied by an electron.
A sighnal must be transmitted over distance L. You can use aguided (attenuating) medium, like a coaxial cable, or radiation(dissipating) from an antenna. Testing the two media reveals: (a)on the coaxial, transmit power = 20 dBm
a fully loaded 100 hp induction motor operates at 85% efficiencyfrom a 450 v line.if the power factor is 0.65 lagging.what currentdoes that the motor drawn. if the power factor is 0.9 lagginginstead,what current motor drawn.
A repeater has an input signal of 150μW and an output signal-noise ratio of 20 dB. The repeater has a gain of A and additional noise of N. What relation should the two parameters satisfy to maintain an output noise figure less than 2 dB
What is the required value of the open-loop low-frequency gain? - what is the closed-loop bandwidth and closed-loop low-frequency gain if the open-loop lowfrequency gain decreases by 10 percent?
Two point charges, and , are located at (1,2,0) and (2,0,0),respectively. Find the relation between and such that the total force on a testcharge at the point (-1,1,0) will have (a) no x-component, (y) no y-component.
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficient.
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