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1. Discuss the concept of unit and group patterns and their multiplication to obtain the resultant pattern of an array.
2. Distinguish between broadside and endfire radiation patterns.
3. Discuss the concept of an image antenna to find the field of an antenna in the vicinity of a perfect conductor.
The parameters of the ideal series-shunt circuit shown in Figure are Vi = 25 mV, Vo = 2.5 V, and β = 0.0096 V/V.- Determine the values and units.
Construct the RC differentiator. Set the channel 1 input coupling switch to dc. Next adjust the dc offset, amplitude, and frequency controls of the function generator to produce the input waveform.
Only one of the following circuits is connected correctly. Identify which is the correct circuit and explain what is wrong with the other two.
A system samples a sinusoid of frequency 850 Hz at a rate of 250 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will generate in its output.
Explain What is the Q Factor in in a Series RC Circuit and in a Series RLC Circuit and in a Parallel RLC Circuit and in a Circuit having Complicated Impedances .
(1) If the frequency was changed, what would happen to the current in a circuit Explain increase or decrease. (2) If you have R = 2 K ohm, Xc = 3 K ohm, XI = 4 K ohm . Find the G, Bc, BI, Yt anf Zt.
A 220 V, 1500 rpm, 11.6 A (armature current) separately excited motor is controlled by a single phase, full wave SCR converter. The armature resistance of the motor is 2 ohm. The ac source voltage is 230 V (rms) 60 Hz.
How many points did you need to generate before you became 90% confident that your error was less than 1%?
Next, if I have 12Vdc and 1500mA going into a resistor then to and led then to ground, how do I figure the resistor that will protect the lead?
Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest cost per square inch. a. Identify the inputs and outputs for this problem.
A power amplifier has a gain of 20 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
The exposed surfaces of the two plates are maintained at constant temperature Determine the temperature distribution in the three plates.
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