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Write the solution of the given problem:
A 3-phase, 50 Hz, 400 V motor develops 100 H.P. (74·6 kW), the power factor being 0·75 lagging and efficiency 93%.
A bank of capacitors is connected in delta across the supply terminals and power factor raised to 0·95 lagging.
Each of the capacitance units is built of 4 similar 100 V capacitors.
Determine the capacitance of each capacitor.
A monatomic idealgas (y = 5/3) that is initially at a volume of 0.08 m3 is compressed adiabatically to a volume of 0.04 m3. What is the ratio of the finaltemperature of the gas to its initial temperature
Suppose that the machining operation requires 1 kW, that the tool machine ihas 90 percent efficiency, and that the supply current is 14 A rms with a power factor of 0.8. Find the AC machine efficiency.
Design a low pass FIR filter for 10 kHz sampling, with a pass band edge at 2 kHz, a stop band edge at 3 kHz, and 20 dB stop band attenuation. Find the impulse response and the difference equation for the filter.
Half of the area within the plates is filled with paper and the other half is filled with air.
Suppose a data array has 30 numbers sorted from low to high already, where no two numbers are equal. We need to search whether any of the two randomly given key numbers, key1 and key2 is in the array. If yes, then find out the position index(es) f..
Draw a logic diagram of simple logic that converts the control variables CA, CB, and CC as inputs to outputs that are the SELECT inputs for the multiplexers and LOAD signals for the registers.
Wien Bridge Oscillator: Simulate the oscillator in Simulink with a gain block of 3.1 and a feedback transfer function of s/(1 + 3s + s2). Include a saturation element and limit the amplitude at 10v peak to peak.
Construct two branches of a hyperbola when its transverse axis is 50 mm long and foci are 70 mm apart. Locate its directory and determine the eccentricity.
A certain amplifier has an input voltage of 100 mV rms, an input resistance of 100kΩ, and produces an output of 10Vrms across an 8-Ω load resistance. The power supply has a voltage of 15 V and delivers an average current of 2 A. Find the power dis..
If an induction motor is normally Δ -connected, it is possible to reduce its phase voltage VΦ (and hence its starting current) by simply re-connecting the stator windings in Y during starting, and then restoring the connections to Δ when..
a three- wire system has a balanced Y- connected load with a75-Ω resistance, 125- mH inductance, and 55-μFcapacitance in series from each line to the neutral point. assuming positive phase sequence with Vp= 125V at 60 Hz
An amplifier with a voltage gain of +40 dB, an input resistance of 10 kO, and an output resistance of 1 kO is used to drive a 1-kO load. What is the value of Avo Find the value of power gain in dB
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