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A separately excited dc motor, having a constant field current, accelerates a pure inertia load from rest. If the system is represented by an electrical equivalent circuit, with symbols as shown in Figure P16.2.16, express R, L, and C in terms of the motor parameters.
A radiant wall heater black body radiator is a silica cylinder 1.0m long and radius 0.5mm. It is rated at 1KW. If the room temperature is 300K, estimate the working temperature of the heater, stating any assumptions.
a magnetic circuit has a mean length of 0.80 m, a cross-sectional area of 0.06 m^2, and a relative permeability of 2167. connecting its 340-turn 64-ohm magnetizing coil to a DC circuit causes a 56-V drop across the coil. determine the flux density..
Find the Thevenin and Norton equivalent circuits for the circuit. Take care that you orient the polarity of the voltage sourceand the direction of the current source correctly relative toterminals a and b.
If a digital ohmmeter can be represented as a 100μAcurrent source and a 3 MΩ parallel resistor, what would the output voltage reading be across resistors of 1 kΩ, 10kΩ, 100 kΩ, and 1 MΩ
Draw a PLC ladder logic diagram to do the following
A power supply has five intermittent loads connected to it and eachload, when in operation, draws a power of 10W. Each load is inoperation only one-quarter of the time and operates independently of all other loads.
Watts in Cassette Players, A walker's cassette tape player uses 4 AA batteries in series to provide 6V to the player circuit. The four alkaline battery cells store a total of 200 watts-second of energy.
A balanced Y-connected power system is known to have Van=100
An amplifier with Ri = 2 kΩ, Ro = 500Ω, and Rmoc = -107 is operated with a 1-kΩ, load. A source having a Thévenin resistance of 1kΩ and an open-circuit voltage of 2 cos(200 πt) mV is connected to the input terminals. Determine the output voltage a..
Plot the VTC of a CMOS inverter and alculate the waveform - Your answer should look like this - Use FindRoot to calculate TPHL and TPLH for the first stage inverter and the second stage inverter.
how do you determine the value of Xl in a parallel resonant circuit, when all youre given is Xc, Rcoil, and the parallel resistance
Draw the circuit daigram for the twisted - tail ( Jonhson) counter consisting of 4 Flip flops (A,B,C,D) with the following excitations: Da='Qe, Db=Qa,Dc=Qb,De=Qc.Assume the flip flop are cleared intially .
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