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Suppose there is another 20-ms light pulse that may strike the cell in given Problem, but it is of lower intensity, so that the final resistance would be . Call this one and that of Problem P2. Devise a system that will latch on a red LED if strikes the cell, or a green LED if strikes the cell. Each time a pulse strikes the cell, the latches are cleared and the appropriate LED turned on.
ProblemA CdS cell has a time constant of 73 ms and a dark resistance of 150 kΩ. A light pulse that is only 20 ms in length strikes the cell. If the intensity of the light pulse is such that the final resistance would be , plot the resistance versus time for 100 ms. What is the resistance at 20 ms?
To demonstrate that you understand the concept ofsource and sink, draw a diagram of a NAND gate sourcing an LED anda diagram of a NAND gate sinking an LED. In each case show theconnections to Vcc and ground.
If E=1 Joules and the maximum coverage distance r=1000 meters, what are the maximum Nu and corresponding processing gain N. If E=10 Joules and the maximum coverage distance r=1000 meters, what are the maximum Nu and corresponding processing gain N
What are the difference betwen those circuits ? (MCB/MCCB/ ELCB /RCBO/ RCCB)
Assuming unity power factor, determine the full load currentsin the primary and secondary windings At full load, determine the power losses in the primarysecondary resistances. If the input power to the transformer at full load is 1000kw,determine th..
A random variable X has a variance of 9 and a statistically independent random variable Y has a variance of 25. Their sum is another random variable Z=X+Y. Without assuming that either random variable has a zero mean
A 9 kVA, 208 V (L-L), 3-phase Y connected stator, synchronous generator has a stator resistance of 0.1 ohm per phase, and a synchronous resistance of 5.6 ohm per phase
Two 100 kg football players wearing regulation helmets collide helmet to helmet while each is moving directly at each other at 10.0 m/s and come to a near instantaneous ( 2 , and the helmets are each designed to provide a crumple zone of 0.025 m. ..
Given a high or low pass RC or RL filter, indentify circuit characteristics such as AV, AVdB, AP, APdB, ZT, XT, and delete text at FC.
Phase a of a 3-phase stator at the instant of carrying maximum current has 60 amperesconductors in the phase belt. Sketch the mmf wave of the phase when the slots/pole/phase are 1, 2, 3, 4 and 5 respectively. Comment upon the change in shape of mm..
Eble Company proposes to invest $6 million in a new type of text printing equipment. The fixed costs are $1 million per year. The equipment is expected to last for 5 years. The manufacturing costs per hammer is $1. Calculate the break-even volume ..
Give me the graphs that illustrates the Gaussian probability density and the corresponding cumulative probability function.
What is the cross-sectional area of the conductor in circular mils?
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