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Signal system time period question
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- 44. The electric field energy stored in an inductor is mathematically equal to the half of the product of its inductance and the square of the current the inductor. True False 46. The average value of a sine wave when taken over half cycle is always zero True False 47. Tridirectional signal is a type of electrical signal which alternate from a positive direction to a negative direction constantly crossing the zero axis point. True FalseIn communication, Armstrong's method is used to generate 1. SSB Waveform 2. VSB waveform 3. Narrow Band FM waveform Choose the correct option.Find which of the following signals are periodic and determine the fundamental period. a) x[n]=3cos(5n+π/6) b)x[n]=cos(n/8)cos(πn/8) c)x[n]=cos(πn/2)- sin(πn/8)+3cos(πn/4+π/3)
- Shown in the signal below where 0≤t≤20 ms determine the period N choose one: a.6 b.3 c.2 d.5 e.4 f.7A ceramic capacitor has a value of C=10,000 pF. The capacitor consists of a dielectric disc between two paralell metal disc plates. The dielectric disc has a relative permittivity of 40. The diameter of the disc plates is 1 cm. Determine the thickness of the dielectric in micrometers. Round off your answer to one decimal.determine whether the following discrete time signals are periodic,and if they are specify the time period a) x[n] = cos(pin/2)-sin(pin/8)+3cos(pin/4+pi/3) b) x[n] = 3cos(5n+pi/6)
- In communication, Armstrong's method is used to generate 1. SSB Waveform 2. VSB waveform 3. Narrow Band FM waveform Select the correct option.[13/04, 7:52 pm] Sankar: Consider the following series RLC circuit. The switch is closed at time t=0. (You may assume the inductor and capacitor have been fully discharged at t=0.) Find the capacitor voltage ?? (?) for ? ≥ 0.Please provide Handwritten answer. b) Sketch the root locus if C(s)=k. The root locus crosses the imaginary axis at s=1.6j rad/s.
- For a third order system, how many terms will the transient response have? a. 3 b. cannot be determined c. 1 d. 2Determine the capacitor voltage at t = 2 ms29. Periodic signals are signals that do not recur at a regular time interval True False Bidirectional signal is a type of electrical signal which at any specified time the value of the voltage or current is the same True False Inductive reactance has a unit of farad. True False The ideal capacitor does dissipate energy. True False