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A circuit has a resistor of 10 ohms in series with an inductor of 5mH.
find the voltage across the resistor in polar form and in rectangular form. The voltage applied in the circuit is v=50sin(300t+120).
The sun is at an altitude of 30 degrees to the horizontal. What is the corresponding air mass What is the physical significance of air mass Mars has a very thin atmosphere containing primarily CO_2 and dust particles.
A linear time-invariant continuous-time system has the impulse response below: h(t) =[cos 2t + 4 sin 2t]u(t) 1. Determine the transfer function H(s) of the system. Use the Laplace transform pairs table for this. 2. Plot the system impulse response..
An 11000V/230 V. 50 Hz, single phase, core type transformer has a core section 25cm X 25cm. Allowing for a space factor of 0.9, find the suitable number of primary and secondary turns, if the flux density is not to exceed 1.2 T.
The ends of the three faces form a closed triangle. Explain clearly why this implies that dA1+ dA2+dA3= 0.
Show how to build each of the following single- or multiple-output logic functions using one or more 74X138 or 74X139 binary decoders and NAND gates. (hint: Each realization should be equivalent to a sum of minterms)
Consider the circuit where the value of the inductor is 1H, the initial current in the inductor is iL(0)=-1A and the input source is Vs(t) = 2[u(t)-u(t-1)] and plot the corresponding current in the inductor iL(t) for all times.
In the "far field" region, show that the electric field intensity of a linear electric quadrupole decays much faster in space than 1/R3 for the electric field intensity produced by an electric dipole and 1/R2 for an electric monopole.
An investigation in different Relay Protection systems for Electrical power networks (Grid level).
A data acquisition system is placed in the vicinity of a noise- and interference-producing source (such as an AC motor, a fluorescent light, high power transmission lines, or any EMF radiator).
Assume, as in that example, that aliasing will not be a problem; i.e., design the continuoustime Butterworth filter to meet passband and stopband specifications as determined by the desired discrete-time filter.
What is the rate at which the electric field between the plates is changing?
1- Find F(s) for = A[ a cos(ßt) + b sin(ßt)] u(t) and plot and the poles and zeros in the S- plane. 2- find f(s) for = 2d(t) +4e^-2t cos(2t) u(t) and plot and the poles and zeros in the S- plane. 3- find f(s) for = 10[3-6t-4e^-2t] u(t) and plot and t..
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