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A parallel circuit contains an AC voltage source of 3 Vrms, 100 Hz. The output of the voltage source is connected to a diode (1N4004). After the diode, connected in parallel are a 0.1uF capacitor an
A charge of 4 micro-Coulomb is applied to the surface of the car. If the car travels a distance of 2 meter between the two electrodes, and if the mass of the car is 200 grams, then what is the appro
If the balloon has a diameter of 12 m and carries two people, 85 Kg each, determine the acceleration of the balloon when it is first released. Assume the density of air is p= 1.16 kg/m^3, and neglec
A two-way link has a data rate of 40 kb/s while transmitting data in either direction, and a propagation delay of 20 milliseconds in each direction. A is sending frames of 1000 bits to B using stop-
You are asked by your supervisor to witness factory tests to be performed on 15 single-phase transformers that your company plans to purchase. The 15 single-phase transformers will be used to make f
A Fabry-Perot interferometer is to be used to resolve the mode structure of a He-Ne laser operating at 632.8 nm. The frequency separation between the modes is 150 MHz. The plates are separated by an
Find the magnitude and phase angle of the load reflection coefficient, the maxima and minima of the total voltage and of the current of the line and their locations, and the standing wave ratio of t
a low pass first order instrument has a time constant of 20ms. Find frequency in hz of the input at which the output is 93% of dc output. Find phase angle.
A storage tank has a Diameter of 20ft and a height of 10ft. The output volumetric flow from this tank is given by fout(t)=2h(t) where h(t) is the height of the liquid in the tank. At a particular ti
Design a 3-element, -40 dB side lobe level Dolph-Tschebyscheff array of isotropic elements placed symmetrically along the z-axis. Find the (a) amplitude excitation coefficients (b) array factor
A base stationcellular communicationsystems lossless antenna has a maximum gain of 16 dB (above isotropic) at 1,900 MHz. Assuming the input power to the antenna is 8 watts, what is the maximum radia
Two lenses of focal length f1 and f2, made from the same glass, are spaced by distance L. The effective focal length of the pair is related to refractive index n by f^(-1) = (n-1)a + (n-1)b - L((n-1
Your cousine has just bought a used car for $600. He is to pay for it as follows. A $ 2,000 down payment and 24 end of months payments of $ 177.28. What nominal annual intereste rate is being paid w
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recede
Summarize when and why it is important to use the "50 O" termination setting on the function generator (with the corresponding 50- O terminator in your circuit, of course). In which situations would
An AM modulator operates with the message signal m(t) = 6cos(10πt) - 4sin(30πt) with unmodulated carrier: 50cos(30πt) and index of 0.1 Write the equation for mn(t) the normalized signal with
An AM modulator is operation with an index of 0.4. The modulation input is: m(t) = 4cos (3πfmt) + 2cos (5πfmt) + 4cos (7πfmt) What is the efficiency of the modulator Sketch the spectrum of th
Determine which of these properties hold and which do not hold for each of the following continuous-time systems.Justify your answer. In each example,y(t) denotes the system output and x(t) is
A series LC circuit has a 100 pF capacitor and a 1 microhenry inductor having 10 ohms of resistance. find the impedance at resonance, the resonant frequency, and the Q of the circuit, determine the
A 26 resistor is connected across a 65 V battery. How much energy is used by the resistor in 5 min
Consider the difference equation: y(n)=(5/6)y(n-1) - (1/6)y(n-2) + x(n) where x(n) = 2^n u(n) and y(n) = 0 for all n < 0. (i) Calculate the homogeneous solution. (ii) Calculate the zero-input solut
An Aluminum electrolytic capacitor that has a capacitance of 75,000µ F,100WV is used in a power supply circuit. The leakage specification of this type of capacitors is 5µ A/µ F. If
A Polyester capacitor with a leakage specification of 5x109 O -µ F is used in a circuit. The voltage across this capacitor is 100 volts D.C. and the capacitance is 0.1µ F find the leakag
An amplifier has an open-circuit voltage gain of 100. With a 10-KOhm load connected, the voltage gain is found to be only 80. Find the output resistance of the amplifier.