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The graph in Figure 5.8 shows the age distribution for AIDS deaths in the United States through 1995. Approximate the mean and standard deviation of this age distribution. How does the mean age compare to the approximate median age?
Add Z1 = 3ej30 degree and Z2 = 4e -j60 degree together. Write your result in both rectangular and polar form. In polar form, indicate whether your angle is in radians or degree s. Multiply Z1 = -2 + j3 and Z2 = 4 + j2 together.
given signal a e^-(10t) and ask to simplify byfactor of 5. you can asssume that the input to the amplifier circuitwill be a corrupted version of this signal: Vin(t)=e^-(10t)+0.4sint(377t)+0.2sin(0.1t)+0.2.
In around 1200 to 1400 words document, write down a paper in which you have to write a report on 'Running Oscilloscope on a PC'.
The voltage of a resistor is calculate by the Ohm`s Law: V = R I. write a program that will input resistance R, current I for several resistors, and will calculate and display the voltage for each resistor.
An amplifier has three stages A,B and C of voltage gains 200, 300 and 400 respectively.find the overall gain in ratios
A polar binary pulse are required with peak amplitude Ap= 1mV, the channel noise is rms 192.3 μV theshold detection not used. 1 & 0 are equally likely. Find the detection error probability. Also find the error probability for a)ON, OF.
A single-phase half-wave rectifier is fed with a triangular signal with period 2 . The maximum positive and negative amplitudes are ± 12 V rms. determine: a) The value of the DC output voltage. b) The percentage of curly
Calculate the ratio horizon for a 500-ft transmitting antenna and a receiving antenna of 20 ft. Calculate the required height increase for the receiving antenna if a 10% increase in the radio horizon were required.
An 1100 V. 50 Hz star connected induction motor has a starconnected slip-rings rotor with a transformation ratio of 3.0. Therotor resistance per phase is 0.015 ohm and leakage inductance is0.8 mH per phase . Neglect stator impedence .
Figure 7.138 shows a circuit for setting the length of time voltage is applied to the electrodes of a welding machine. The time is taken as how long it takes the capacitor to charge from 0 to 8 V. What is the time range covered by the variable res..
In a given byte addressable computer, memory locations 10000Hto 9FFFFH are available for user programs. The first location is10000H and the last location is 9FFFFH. Calculate the following: (a) The total numbervof bytes available (in decimal)
Obtain a timing diagram for a positive-edge-triggered JK master-slave flip-flop during four clock pulses. Show the timing diagrams for C, J, K, Q and Q'. Assume that before the first pulse: output Q is equal to 1, J=0 and K=1.
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