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The summing amplifier in Figure P14.15 has an op-amp with open-loop parameters: AOL = 2 × 103, Ri = ∞, and Ro = 0. Determine the actual output voltage as a function of vI1 and vI2. What is the percent error from the ideal value?
A voltage of 100 V is applied to a circuit comprising two 50 kΩ resistors in series. A voltmeter, with an FSD of 50 V and a figure of merit 1 kΩ/V, is used to measure the voltage across one of the 50 kΩ resistors. Calculate:
A generator (which may be represented by an emf in series with an inductive reactance) is rated 500MVA, 22kV. Its Y-connected windings have a reactance of 1.1 p.u. Find the ohmic value of the reactance of the windings.
The power crossing the air gap of a 60 Hz, four-pole induction motor is 25 kW, and the power converted from electrical to mechanical form in the motor is 23.2 kW.
Actel Corporation manufactures an FPGA family called Act 1, which has the multiplexer based logic block. Show how the function f=w2w3'+w1w3+w2'w3 can be implemented using only one Act 1 logic block.
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.
How much energy in Kilowatt hours is initially stored in the battery If the battery costs $75 and has a life 0f 300charge-discharge cycle, what is the cost of the energy in dollarsper kilowatt hour Neglect the cost of recharging the battery.
Determine the maximum bit rate for an FSK signal with a mark frequency of 48Khz, a space frequency of 52Khz, and an available bandwidth of 10kHz.
Determine a suitable value of neutral resistance if the voltage rise at the motor in the event of an earth fault at the motor is not to exceed 430 V. Neglect transformer winding resistance.
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
the resistances and leakage reactances in ohms of a 25-kva 60-hz 2400240-v distribution transformer are r1 0.650 omega
What is dither in audio signal processing?
Plot the signal x(n) 0
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