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1. You are an electrican working on a industrial plant. A circuit contains eight incandescent lamp connected in series across 480v. one lamp has burned out and you must determine which one is defective. you have available a voltmeter, ammeter, and ohmmeter. which meter would you use to determine which lamp is defective in the shortest possible time? Explain how you would use this meter and why.
2.two resistors are connected in series. one resister has a resistance of 1000-ohm, and the other resister value is not known. the circuit is connected to a 50-v power supply, and there is a current of 25ma flowing in the circuit. if a 1500-ohm resister is connected in parallel with the unknown resister, how much current will flow in this circuit.
Assume that in addition to the sine-wave signal you have a dc reference voltage of 1.5 V available. Sketch the output signal waveform.
Evaluating Coding Gain, CNR, and BER of a DSSS-CDMA Transmitter, a. A DSSS-CDMA transmitter sends message signals at a rate of 5.0 kbps using a long chip sequence with a rate of 1 M chips per second. In the receiver, what is the processing gain (a..
Design a Java application that maintains the data for a simple social network. Each person in the network should have a profile that contains the persons name, current status, and a list of friends.
Design the minimum-cost circuit and compare its cost with combined costs of two circuits that implement f and g separately. Assume that the input variables are available in both uncomplemented and complemented forms.
Include the unused states in the design, arranging the circuit to switch from any unused state to the 'main sequence' within one clock cycle, and show the state diagram that applies here. Clearly show all the steps of the design procedure used.
A cold heading operation is performed to produce the head on a steel nail. The strength coefficient for this steel is 600 MPa, and the strain hardening exponent is .22. Coefficient of friction at the die-work interface is .14.
a 741C is an op amp with Av= 100000 and a minimum CMRRdB= 70dB. what is the common- mode voltage gain. if a desired and common- model signal each has a value of 5 uV. what is the output voltage.
A µ-law compression encoder has: Vi(max) = 8 V, vi(max) = 1V, µ = 255 Determine the output voltage for an input voltage of 2 V
a) The input of Hex- to - seven segment decoder is 1010. what will the display show. b) A priority encoder has all inputs activated. Which input will be encoded. Why.
Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle the rate of heat transfer to the working fluid passing through the steam generat..
Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.
Look up 8b/10b encoding and explain what purposes (NOTE: purposes is plural!) it serves. How would you implement an 8b/10b encoder
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