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you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts. how much resistance should be inserted in series with the meter to make the 30- volt range indicate a full scale value of 300 volts?
A first-order RC high-pass filter has a cutoff frequency of fc = 2400 Hz and the capacitor value of C = 47 nF. What is the required resistor value
A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges
Sketch magnitude and phase responses (as linear gain versus digital frequencies) for each filter (use [0,π]). Indicate filter type. Find cutoff frequencies if sampling frequency in 30 kHz. Use 6 points only. Do not use MATLAB.
Also assume the house power wiring Has the two wires routed around the floor and ceiling. Determine the induced voltage at the power input to a digital computer that is connected to the power net for a lightning channel 1 km away.
Consider the half wave rectifier with a 100Ω load and a peak voltage of 3.5 V. For a 1000μF capacitor, calculate the ripple amplitude if the frequency is 60 Hz.
For a BJT common Emitter Amplifier, the AC base voltage = 1,2Vrms, Av=50, Bdc=150, Bac=200, alpha dc =0.98 and an RE of 500 ohm. What is the AC P-P voltage
a)apply gauss's law to find the total flux leaving the closed surface of the cube. b)evaluate - *D at v the center of the cube. c)estimate the total charge enclosed within the cube.
A video signal contains light variations that change at a frequency as high as 3.5 MHz. What is the minimum sampling frequency for A/D conversion?
The signal x(t)=10cos(t)+10sin(10t) is input into the following systems: a) \(H(s)=100/(s^{2}+10s+100)\) b) \(H(s)=s^{2}/(s^{2}+10s+100)\) calculate the output for each system.
find the complete functions, p(t) and w(t) supplied by the element, not just a number, and graph p(t) and w(t). Choose appropriate intervals of time for your graphs. Assume that both v(t) and i(t) are zero for t
Assuming the op amp is not saturated, find the Thevenin resistance between terminals (a,b). Since there is no independent voltage or current supply, the Thevenin voltage is zero, and one must attach a test source at (a,b)
Power Electronics: A Single-Phase Bridge Rectifier, A single-phase bridge rectifier has a purely resistive load R=10 Ohms, the peak supply voltage Vm=170 V
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