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A voltage source is in series with a 1 MΩ resistor and a100 picofarad capacitor. The voltage source is10cos(2π*10^3t - π/6). What is the voltage acrossthe capacitor?
X1 and X2 are two independent Gaussian random variables each with mean zero and unit variance.
You have a laundry room where the following loads are connected to a 208V circuit: 2500W electric base board heater, 600W wash machine, 3600W dryer, and a 1000W iron. All loads are connected in parallel.
How would you determine whether a given function, f(t), had finite or infinite energy. Give an example of a function with finite energy and one with infinite energy.
A three-phase, 318.75-kVA, 2300-V alternator has an armature resistance of 0.35 /phase and a synchronous reactance of 1.2 /phase. Determine the no-load line-to-line generated voltage and the voltage regulation
Assume the z0 is in the far field and derive an expression for the strength to return as a function of angle. Make approximations where appropriate and do not forget the sidelobes.
A voltage source 100(angle 0 degrees) is in series with a 200 ohm resistor and a cpacitive reactance of -100 ohms. a) What impedance,Zl, in parallel with the capcitor would absorb maximum AVERAGE power
Design a circuit that sounds an alarm if motion is detected in more than one room at a time. Show all design steps (truth table or equation(s),minimization using K-map(s), and logic diagram(s).
Given the digital filter transfer function H(z)=1-z^-1 , what is the step response (that is, the input to the filter is unit step sequence u(n) ) of the filter A. y(n)= delta(n)+delta(n+1) B. y(n)=u(n-1) C. y(n)=u(n)-u(n-1) D. y(n)=u(n-2)
A capacitor is used in the electronic flash unit of a camera. A small battery with a constant voltage of 6 V is used to charge the capacitor with a constant current of 10 microamperes. How long does it take to charge the capacitor
A source X produces symbols A, B, C, D, and E with probabilities 0.5, 0.25, 0.125, 0.0625 and 0.0625 (a) Find the information content of X. (b) Give a fixed length code for X. Compute its efficiency. (c) Derive a Huffman code for X
Modify the above VHDL code so that in addition to the 6 outputs listed above, the circuit outputs the largest and the smallest operands on the new outputs ‘largest' and ‘smallest'. Also output the sum, difference and product of the two operands A ..
Design a circuit that takes a sinusoidal input of varying frequency at 1V amplitude and produces an output amplitude of approximately 1V when the frequency is 1 Hz and approximately 0.5V when the frequency is 1,000Hz.
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