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The conductance of a wire is 100 S. If the area of the wire is increased by 2/3 and the length is reduced by the same amount, find the new conductance of the wire if the temperature remain fixed.
You are to design a Gray code sequence generator.The 4-bit Gray-code sequence is defined as follows: 0000, 0001,0011, 0010, 0110, 0111, 0101, 0100, 1100, 1101, 1111, 1110, 1010,1011, 1001, 1000.
Assume a thermocouple generates a linear voltage from 20 mV to 50 mV when the temperature changes from 750 degrees F to 1250 degrees F. How much voltage will be generated when the temperature of the thermocouple is at 1000 degrees F
What is the time constant for a circuit composed of a real inductor (L=.4H and R=50ohms) and a 150 ohm resistor connected in series
A star-bus hybrid topology consists of a main three branch star toplogy with each branch connecting three stations in a bus topology. This toplogy is changed to a new bus-ring hybrid topology with main five station bus topology.
1-If the voltage is 106 V cos(84 rad/s t + 46°) and the current is 9 A cos(84 rad/s t + 72°), what is the frequency of the instantaneous power. 2- If the voltage is 101 V cos(47 rad/s t + 11°) and the current is 16 A cos(47 rad/s t + 67°).
A 60-Hz, 765-KV three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors per phase. Determine the 60-Hz resistance of this line in ohms per kilometer per phase at 50 degrees Celsius.
Size reduction, enhancement of capabilities, reduction of power consumption, and increasing the speeds of electronic devices, as well as their microcontrollers, have been the trend since the invention of the integrated circuit by Jack Kilby at Tex..
Given that each individual resistor can dissipate up to 1 watt of power before burning up, how much total power in watts ( W ) can the smallest-valued composite resistor dissipate before burning up
Suppose that the cost of electrical energy is $0.12 per kilowatt hour and that your electric bill for 30 days is $60 (power usage only, not including other charges or taxes) Assume that the power delivered is constant over the entire 30 days.
Flux weakening causes problems in both generators and motors. In generators, the effect of flux weakening is simply to reduce the voltage supplied by the generator for any given load. In motors, the effect can be more serious.
the signal shown below is a sine wave as it might be displayed on an oscilloscope. If it takes 40 msec. for the waveform to travel between the points shown by the arrow "B" below, what is the frequency of the waveform
The no-load voltage of a Y-connected synchronous generator is 3646V. When the generator delivers the rated load of 432kW at 0.8pf lagging, the terminal voltage is 3117.69V. If the armature winding resistance is negligible
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