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Questions -
Problem 1 - Given the sinuosidal voltage v(t) = 50 cos(30t+10o) V, find: (a) the amplitude Vm (b) the period T, (c) the frequency f and (d) v(t) at t = 10 ms.
Problem 2 - A current source in a linear circuit has - is = 15 cos(25πt + 25o) A
(a) What is the amplitude of the current?
(b) What is the angular frequency?
(c) Find the frequency of the current.
(d) Calculate is at t = 2 ms.
Problem 3 - Express the following functions in cosine form:
(a) 10 sin(ωt + 30o)
(b) -9sin(8t)
(c) -20sin(ωt + 45o))
Problem 4 - Given v1 = 45 sin(ωt + 30o) V and v2 = 50 cos(ωt - 30o V), determine the phase angle between the two sinusoids and which one lags the other.
Suppose that a current source is feeding an amplifier with input resistance of 5k ohms. The current source can be approximated with it Norton equivalent circuit delivering Norton current of I=50mA and having a resistance of 10k ohms.
the angular velocity of a polar vector is 720 degreessec. what is the angle 0.001 sec after the vector passes
Explain why the following motors are used in the particular applications indicated against them. Synchronous motors - power-factor improvement
What are the differences between Laplace and Fourier Transform?
Draw a swamped amplifier. What is its voltage gain and input impedance? Why does it stabilize voltage gain?
The CPU time costs the firm $200 per hour. Find the expected value and variance of the weekly cost for CPU time.
The charge of an electron is 1.60 x 10-19 C. A current of 2 A flows in a wire caried by electrons. How many electrons pass through a cross section of the wire each second
Design a circuit with one output f and four inputs x1, x0, y1, andy0. Let X = x1x0 be a 2 digit binary number. X can have fourpossible valuations (X=x1x0), namely, 0 = 00, 1 =01, 2 =10, and 3 =11.
What are the wellbeing, behavioral and way of life results of liquor utilize and abuse?
A monatomic idealgas (y = 5/3) that is initially at a volume of 0.08 m3 is compressed adiabatically to a volume of 0.04 m3. What is the ratio of the finaltemperature of the gas to its initial temperature
If the power of a 500-kHz transmitter is increased from 150 W to 300 W, what would be the percentage change in field intensity at a given distance from the transmitter. What would be the decibel change in field intensity.
Referring to Fig. 1.25d, a µF capacitor is charged to 12 V and then connected across a resistor of 100 Ω.
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