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One cycle of a periodic voltage waveform is depicted in Fig. 11.61. Find the effective value of the voltage
explian why a single phase IM is not self starting.descibe two ways that can make a single phase IM self starting compare tha air gap mag filed produced bt 1 phase IM and 3 pahse IM
Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 26 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 72 m away
Identify how one can generate pulse width modulation using the 9S12DG256 microcontroller. Identify various applications that require PWM. Show how microcontroller PWM interface is used to drive servomotors, and discuss these motors.
a) determine the wave equations for all three regions b) what is K for each region c) using matrix algebra, determine the coefficients to the wave eaquation in region 2
Calculate the number of wind generators required to produce the equivalent energy of a 600MW CCGT operating at 80% load factor. Assume the average wind speed is 8 m/s, rotor diameter is 80 m, and conversion efficiency (coefficient of performance, Cp)..
A random variable X has a variance of 9 and a statistically independent random variable Y has a variance of 25. Their sum is another random variable Z=X+Y. Without assuming that either random variable has a zero mean
If a unity gain (Avo=1) buffer amplifier with 1 M ohm input resistance and 10 ohm output resistance is interposed between source and load, what do the output voltage and power levels become. For the new arrangement, find the voltage gain from sour..
Design an analog computer circuit (using minimum resistor values of 10 k ohms ) to obtain the summing (adder) function. Vo = -v1 -v2 +v3
the current through a .2 μF capacitor is a rectangular pulse with an amplitude of 2 mA and a duration of 4 ms. Find the capacitor voltage at the end of the pulse when the voltage at the beginning is -2V.
Design a 6 bit DAC that accepts digital voltages of 0 V (meaning binary zero) and 2 V (meaning binaryone). The output must vary from +0 V (for code 000000) to +5 V (for code111111).
a) Show how to implement a 4-to-1 multiplexer with an active high output and no enable using two of the 2-to-1 MUXes and a minimum number of additional gates. b) Repeat part (a) for a 4-to-1 multiplexer with an active low output.
using a slotted line the voltage on a lossless transmission line was found to have a maximum magnitude of 1.5 v and a
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