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A full-wave rectifier circuit having centre-tapped transformer has 500 turns in its primary winding, 25 turns from one end of the secondary winding to the centre tap and 20 turns from the other end of secondary winding to the centre tap. Assume both the diodes have V?=0 V and dynamic resistance rd = 1 Ohm. An ac supply of 230 V (rms), 50 Hz is fed to the primary and the rectifier supplies a full-load dc current of 500 mA. Determine
a. The dc output voltage at full load
b. The percentage load regulation and
c. The rms voltage across the full load.
The secondary's of a step-down, three-phase transformer bank are delta connected and supply a three-phase 240v moter that draws 12A through each line. What is the current in each transformer winding If the turn ratio of the transformers
One reason that the maximum electric field is important is because of the possibility of impact ionization, which may be desired or undesired in a particular application. The process of impact ionization is dependent on the electric field
Using many resistors and the DMM, try to determine what digits each colour band represents. Briefly explain your method and your findings in the space below.
You need to upgrade your crystallizer. Your company bought a new 1000 ft2 crystallizer 5 years ago for $450,000. You believe that your company has expanded sufficiently to need a 5000 ft2 crystallizer. What is the price in today's dollars
A two-resistor voltage divider consists of a 10 k and a 15 k ohm resistor, with the 10 k resistor connected to the voltage source and the 15 k resistor connected to ground. If the output voltage is 2.5 V across the 10 k resistor
Design a 3 th order high - pass Butterworth filter with a High Frequency gain of 20 DB and a cutoff frequency of 20 rad/s. 2) Using MATLAB, plot the frequency respon se of this filter, and the location of the filter poles.
Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?
C++ Program Help, make a program that will read a file from a disk and will take the first letter of each word and and make that into a sentence.
Help with problem in Control signal processing class, Consider the unity-feedback control system whose open-loop transfer function is
A cylindrical conductor of radius b is solid, except for a hole of radius a, bored down the z axis. Uniform current I flows in the positive z direction. a) Using Ampere's circuital law, find the magnetic field strength
Calculate the converter voltage VC1, reactive power, the converter phase current and modulation index.
Bode plots were introduced in my second circuit analysis class, but I really didn't think it was important because it looked like an outdated tool no longer in use.
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