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The mass M of drops formed by liquid discharging by gravity from a vertical tube is a function of the tube diameter D, liquid density, surface tension, and the acceleration of gravity.
Determine the independent dimensionless groups that would allow the surface-tension effect to be analyzed. Neglect any effects of viscosity.
A 1000KVA transformer is at full load with a 0.5 laggingpower factor. If the line voltage is 500 volts at 60Hz. Find the following quanties needed to improve the power factor to 0.95 byadding capacitors in parrallel with the transformer.
Advance a qualitative explanation for reduction of eddy current loss by using a core composed of silicon steel laminations.
Discuss the rationale for this robust behavior.
Design an even parity generator for a 3-bit word. This circuit will have three inputs(the 3 bits of the word) and oneoutput. This output should be 1 if there is an odd number of1s in the input word; otherwise, the output should be 0
Design a two-pole low-pass Butterworth active filter using a unity-gain section to achieve a 3-dB frequency of 200 Hz. Select the two filter resistances as 30 kOhms each.
The FM input to a PLL demodulator has an unmodulated center frequency of 10.7 MHZ. (a) To what frequency must the VCO be set (b) From which circuit is the recovered modulating signal taken
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.
Develop a series 90-30 program that functions a motor forward/reversed controller. Design your circuit so that the STOP push button must be pressed before the motor can be switched direction
Plot the Truth Tables on to the given Karnaugh maps and obtain the minimal Boolean expression for each.
A sinusoidal voltage source vs = 100cos 105t V, a 500Ω resistor, and an 8 mH inductor are in series. Determine those instants of time, 0≤t
Draw a swamped amplifier. What is its voltage gain and input impedance? Why does it stabilize voltage gain?
A 3-phase, 50 Hz, 4-pole, 400 V, wound rotor induction motor has a D-connected stator winding and Y-connected rotor winding. There are 80% as many rotor conductors as stator conductors. For a speed of 1425 rpm
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