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a low pass first order instrument has a time constant of 20ms. Find frequency in hz of the input at which the output is 93% of dc output. Find phase angle.
The mass spectrometer measurement section is a region of uniform magnetic field B= ˆxBms for z > 0. Ions enter the magnetic field (which exists for z > 0) at the origin with a known velocity +ˆz vz.
Air Enters a cooling section at 97Kpa, 35C and 30 percent relative humidity at a rate of 6m^3/min, where it is cooled until the moisture in the air starts condensing. Determine the temperature of the air at the exit and the rate of heat transfer i..
Using 4 PSK or 2 PSK with the same total power as a reference, calculate the Eb/No versus Pe waterfall plot and compare the asymptotic coding gain of the coder/encoder.
Design a circuit that satisfies the equation VOUT = 5 * ( VB - VA ). Draw the circuit schematic identifying supply voltages and show your work on component selection.
a)What is the voltage across a 220? resistor if the current through it is 5.6 mA b)What is the current through a 6.8? resistor if the voltage drop across it is 24 V c) What is the power delivered by a 6 V battery if the current drain is 750mA
A transformer on no load takes 4.5 A at a power factor of 0.25 lagging when connected to a 120V, 60Hz supply, the number of turns of the primary winding is 250. Calculate the magnetizing current, core losses and the maximum value of flux in the co..
A cell phone transmits voice signals on a carrier. the transmissions lie inbetween 900MHz to 900.03MHz. What minimum sampling rate should be choosen so that the transmisions will be recoverable from the digital samles
Two balanced three-plia.se loads that are connected in parallel are fed by a three-phase line having a series impedance of (0.4 + j2.7) ohm per phase. One of the loads absorbs 560 kVA at 0.707 power factor lagging
The circuit should stay idle with low output, when the button (B) is not pushed (not asserted).Draw the state diagram, and circuit logic diagram. Use minimal number of external gates. [Hint: Use positive edge triggered D flip-flops]
Design a 4-bit asynchronous down counter with truncated sequence that counts down a truncated sequence from 1111 to 0101. On reaching the count value 0100, the counter must preset to 1111.
A 50-KVA, 13,800/208 V -Y distribution transformer has an equivalent phase impedance 114.2+j800 ohm referred to the high voltage side. Take the rated voltage as the base voltage and the rated VA as the based voltampere value.
Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..
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