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Draw the shear and bending-moment diagrams for the beam and loading shown, and determine the maximum absolute value
(a) of the shear,
(b) of the bending moment.
the highest frequency for a message signal is 15 Hz. it AMmodulates a carrier of 500 kHz. Plot the frequency spectrum of the modulated signal. is the highest frequency component of the modulated signal just 15+500000 Hz
Three single-phase transformers rated at 15kVA, 480V/120V,60Hz are connected in delta to function as autotransformers on a 600V,3-phase line. The H1,H2,X1,X2 polarity marks appear on the metal housing.
Let X denote the number of accepted circuits. Let Y be a random variable which is 1 if the last (Nth ) IC was accepted and is zero otherwise (it is a Bernoulli random variable). (a) Write out the probability mass function (PMF) of X.
Write a sequence of instructions to initialize and run the timer to geneate an 800 baud rate clock. what would be the baud rate if the intial value of the timer was set to 9AH
derive the BER (Bit Error Rate) of a 8-PAM (Pulse Amplitude Modulation) system in an AWGN (Additive White Gaussian Noise) channel.
Design a 4 input, 1 output combinational circuit. the input represents a 4-bit number, N = X3X2X1X0, which ranges from 0 to 15. The output, PN is 1 when N represents a Prime Number,PN, otherwise PN is 0
Explain why the short-circuit method for determining the Thevenin resistance of a circuit cannot be applied if the circuit does not contain any independent current or voltage sources.
Calculate the efficiency of a 500V shunt motor when taking 700A from the following data taken when the motor was hot: motor stationary, voltage drop in the armature winding 15V.
Voltage regulator utilizes a 500 mW Zener diode with Vz=6.7V at 20mA, rz=lOohm and IzK=5mA. The supply voltage y+ has a nominal value of 12V but can vary by ± 1 V. The load resistor is fixed at 330ohm
a resistor is required for an application that requires its value to be no less than 7.1k ohms and not more than 7.9k ohms. determine the nominal value and the maximum tolerance of the resistor you could use. explain.
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. Assume in a SSB-USB modulated signal that the inserted carrier at the receiver is 200 Hz too high. Indicate the frequencies of..
What does this result reduce to when the hybrids are lossless?
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