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A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is:
a- for this modulator a 1-v signal produces a deviation of 20Khz determine the amplitude and phase spectra of s(t) for the modulating signal m(t) = 1.5 cos(2*pi*6*10^4*t) when fc>>fm b- find the bandwidth of the modulated signal using carson's rule..
Sometimes, the series combination ofthese two devices is used to provide constant current to the LEDfrom a variable voltage. Sketch the overall volt amperecharacteristic to scale for the parallel combination of these two.
This feature should be optional, so an input must be added to the circuit to allow the user to choose between enabling it or not. How many DFFs will be needed to build the entire circuit now?
determine that the total field B within the sample is one tesla. Calculate M and determine what percentage of the volume now consists of domains with magnetization parallel to the field.
Consider the problem of using a low voltage system to power a small cabin. Suppose a 12-V system powers a pair of 100-W light bulbs (wired in parallel). A) What would be the filament resistance of a bulb designed to use 100 W when it receives 12 V
Design an address decoder that locates three blocks of memory inthe address space as shown below. Show your address decoding table.Then produce a gate level design a. $000000 - $7FFFFF b. $A08000 - $A08FFF
Compute the dc resistance in ohms per kilometer at 75°C. Assume that the increase in resistance due to spirtling is 2%.
A technician needs to interface a 7400 device which acts a driver with a load of a 4000 series logic device. Suggest a practical approach to interface the two devices correctly.
Why is it common in industrial practice not to connect the ground lead to motors of this type?
A 1 Gb/s optical link is to be operated at the 1.55 m wavelength. Suppose the dispersion at the 1.55 m wavelength is 17 ps/km-nm, and the attenuation is 0.2 dB/km. For achieving a desired error probability, we are given that the receiver requires ..
A STAIRCASE LIGHT IS CONTROLLED BY TWO SWITCHES, ONE AT THE TOP OF THE STAIRS AND THE ANOTHER AT THE BOTTOM OF THE STAIRS. A)MAKE A TRUTH TABLE FOR THIS SYSTEM
describe how a dual converter is operated in the motoring and generating modes.
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