Electrical Engineering Answers

Determine the values of P x and Ex for each of the following signals: (a) x 1 (t) = e- 21 u(t) 

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A single phase transformer has 480 turns on the primary winding and 90 turns on the secondary winding. The maximum value of the magnetic flux density is 1.1T when 2200 volts, 50Hz is applied to the transformer primary winding. Calculate maximum flux, cross sectional area of core and secondary induced emf

Find the z - transform of the following sequence , plot the pole - zero plot , and find the convergence domain

x(n) = (1/2)ⁿ u(-n-1)

A system is known whose input - output relationship is determined by the following difference equation :

y(n)-1/2y(n-1)=x(n)+1/2x(n-1)

Find the system function H ( z ) and plot the pole - zero plot

. A 0.010 mol sample of barium nitrate formed was heated until it had completely decomposed according to the following balanced equation:

2Ba (NO₃)_2(s) ˗˗˗˗˗˗˗˗˗˃˃ 2 BaO_(s) + 4 NO_{2 (g) +} O_2(g)

a)     Use the ideal gas equation to calculate the total volume, cm³, of gaseous products obtained at 387 K and 1.12 × 10⁵ Pa.

b)     The Kinetic Theory of gases is an attempt to explain the properties (behaviour) of ideal gases. What assumptions (at least three) does this theory make about gas molecules?

Implement the following Boolean function only by using 2x1 multiplexers only.

F(A,B,C,D) =€(0,3,4,8,10,12,14,15)

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