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Determine the RMS generated voltage of an alternator used for a 50 Hz system if it has a flux per pole of 0.015 Wb, 72 turns per phase and a winding constant of 0.96
1. Provide 3 ways for creating proto-types of an electronic circuit. 2. Explain briefly, in outline form, and in your own words, the procedure for creating a single-sided, PCB (Printed Circuit Board), using the etching procedure.
An electric field of 3.10×105 is desired between two parallel plates, each of area 36.0 and separated by 0.620 of air.What charge must be on each plate?
A bowling ball is placed on a coil spring. The spring constant is 400N/m. When the bowling ball is placed on the spring, the spring compresses down 0.1m. If the spring is vertical how far will the bowling ball go
A "Hall bar" specimen is 250 mm long, 12 mm wide, and 1.5 mm thick. Along the 250 mm direction (+x), +5 V drives a current of +1.75 mA. Along the 1.5 mm direction (+z) a magnetic field of 1 Tesla is applied.
Identify one emerging technology, and evaluate its future prospects by identifying the cultural and social factors that may prevent or promote its successful application. Use concrete details to support your answer.
A single-phase load is supplied with a sinusoidal voltage v(t) = 200 cos(377t) The resulting instantaneous power isp(t) = 800 + 1000 cos(754t ¡ 36:87±) (a) Find the complex power supplied to the load.
A logic function is given by F=?A,B,C,D,E(3,11,12,19,24,26,27,28,30). Use variable-entered K-map to find a simplified sum-of-product expression for function. Also find the corresponding product-of-sum expression.
What is the difference between a D flip-flop and a J-K flip-flop How does the number of inputs affect the possible synchronous states of a flip-flop (Set, Reset, Hold, Toggle)
A corporation purchased a machine for $60,000 five years ago. It had an estimated life of 10 years and an estimated salvage value of $9,000. The current book value of this machine is $22,500. If the current market value is $40,000.
The excess charge in a certain medium decreases to one-third its initial value in 20s. (a) If the conductivity of the medium is10^(4)S/m, what is the dielectric constant of the medium(b) What is the relaxation time
A pn junction may be formed by depositing a single crystal film of uniformly doped p-silicon onto a substrate that has been doped n-type. The substrate is 500um thick, and the film is 20um thick. The substrate has a 5 ohm-cm resistivity.
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 9cm and the distance between the two conductors is 5m.
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