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A 110 V rms, 60 Hz source is applied to a load impedance Z. The apparent power entering the load is 120 VA at a lagging power factor of 0.707. Calculate the reactive power in the load.
Design a second-order band-pass IIR filter with center frequency of 450 Hz when the sampling frequency is 2000 Hz. In order to ensure the filter stability set the poles at 0.96 radial distant from the origin
Discuss why phasor analysis can only be performed on single-frequency circuits. For multiple frequencies what type of analysis must be performed Discuss the advantages of transforming time-domain circuits into the corresponding frequency domain.
What is the approximate discrete-time equation the models the continuous-time impulse response for fs=1kSa/s and RC=10^-2?How to solve this problem?
The switch in the circuit has been in position a for a long time. At t=0 the switch is moved to position b. A.Calculate the initial voltage on the capacitor if v = 200V , and i = 1.9mA.
Two data streams are coming serially to a system. These two streams are carefully observed and if considering any three bits from each stream, we observe that these two input streams are equal ; the FSM gives a signal to an alarm system.
After a package is ejected from the plane, how long will it take for it to reach sea level from the time it is ejected Assume that the package, like the plane, has an initial velocity of 200 mph in the horizontal direction.
What is the impedance of a resistor R in parallel with a series combination of a capacitor C and an inductor L? Assume angular frequency omega(w).
The output of a communication channel is Y = X + N where X and N are independent, zero mean, random variables. X represents signal and N is noise. (a) Find the correlation coefficient between the input X and the output Y.
a) Given that the refractive index of water is about 1.33, what is the polarization angle for light traveling in air and reflected from the surface of water b) Consider a diver in sea pointing a flashlight towards the surface of the water.
A 240/40 volt transformer supplies two different secondary loads. One load (a) draws a current of 12 amperes at a lagging power factor of 0.94. The other load (b) draws a current of 12 amperes at a leading power factor of 0.94.
Three capacitors are found that each have an impedance of -j2.0, and they are connected in parallel with the load in a wye configuration. Determine the power factor of the combined load as seen by the source.
The sampled signal is passed through an ideal LPF which rejects all frequencies above 8 kHz and has a gain Ts. Les sR(t) be the output of the LPF. Sketch LT[sR(t)], in which FT[] denotes the Fourier Transform, in frequency domain.
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