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What is the probability of drawing any Heart or a King from a well shuffled pack of cards? On two throws of a die, what is the probability of a 6 on the first throw followed by an even number on the second throw? Throwing two dice, what is the probability that the sum of the dice is 7?
A long cable with cylindrical cross-section has inner conductor of radius a and an outer conductor of inner radius b and outer radius c. The dielectric constant of the material between the conductors is 3.
Plot a snapshot of the field patterns a few wavelengths down the waveguide; what modes exist in this waveguide? Repeat for frequencies of 8 GHz and 12 GHz and compare the results.
A 10 cm length of a K-band copper waveguide is filled with a dielectric material with er = 2.55 and tan f = 0.0015. If the operating frequency is 15 GHz, find the total loss through the guide and the phase delay from the input to the output of th..
The low pass filter G(s)= (s+5)/(s+10) is given. Derive the forced response y1(t) for x1(t)=10exp(-0.1t). Write an expression for the forced response y2(t) when the input is x2(t)=12exp(-0.1t)cos(2t).
A 10-cm high and 20-cm wide circuit board houses on its surface 100 closely spaced chips, each generating heat at a rate of 0.08 W and transferring it by convection to the surrounding air at 40°C.
An open-circuited 50 Ohm microstrip transmission line is used in a microwave amplifier circuit to provide a capacitance of 3.2 pF at 2.3 GHz. (a) Find the appropriate electrical length of the line and (b) Find the lumped element values of the open..
On the attached figure, what is the horizontal component of force exerted on q1 by q3?
a) both stations begin to transmit at the same time b) one station begins to transmit at the first possible moment such that its transmission would not be detected by the other station before it began its transmission
A 400-V three-phase, wye-connected synchronous motor delivers 12 hp at the shaft and operates at 0.866 lagging power factor. The total iron, friction, and field copper losses are 1200 W.
We will weigh objects by a strain gauge or R = 120 Ohms, GF= 2.02 mounted on copper column of 6-in. diameter. Find the change in resistance per pound placed on the column. Is this change an increase or decrease in resistance
Such an adder is called aripple-carry adder. Overflow (or underflow in subtraction) isdetected by an additional small logic circuit where the inputs areprovided by the sign bits of the input and output integers.
Develop the demodulation circuit corresponding to Illustration 154. Rectification should be shown by the „absolute value" process (module "arithmetics"), the RC circuit by lowpass filtering. See also Illustration 155
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