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A certain practical dc voltage source can provide a current of 5.5A when it is (momentarily) short-circuited, and can provide 28W to a 20Ω load. Finda.)The open-circuit voltageb.)The maximum power is could deliver to a well chosen RLc.) What is the value of that RL?
Design a class - A transformer-coupled emitter-follower amplifier to deliver 10 W to an 8 Ohm speaker. The ambient temp is 25 C and the maximum junction temp is Tj max = 150 C. assume the thermal resistance value are dev-case = 3.2 C/W
Analysing spectrum anlyser output, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates the follow..
Sven has decided to make and sell his grandmother's pasta. He rents a building for $600/month and pasta equipment for $300/month. The pasta costs $.20 /pound in raw materials to make . Sven can make up to 3000 pounds a month by himself.
A relay coil is connected to a 210-V, 50-Hz supply. If it has a resistance of 30 ohms and an inductor of 0.5 H: 1. The apparent power to the nearest VA is 2. The power factor to the nearest hundredth is
What is the maximum symbol rate that the twisted pair line can carry without ISI? 256-QAM modulation is used on the link. How many bits are conveyed by each symbol?
A coaxial air line has an inner conductor diameter of 2mm and the inner diameter of the outer conductor is 4.6mm. A voltage of 1 V is applied to the inner conductor. Determine the surface charge densities on the inner conductor
At the output of a two terminal DC network, when no load is attached , the voltage measured as 6 volts. When a load of 1 kiloohms is connected across output, the voltage at the output drops to 4 volts. Create a Thevenin Equivalent model of this ne..
The total friction and core losses may be assumed to be constant at 403 Watts, independent of load. For a slip of 2% , compute the speed, output torque, and power and stator current, power factor and efficiency when the motor is operated at rated ..
Write the expression for the current through the capacitor after the switch is closed. The circuit is a 60 Volt circuit
A particular inverting amplifier with nominal gain of -100 V/V uses an imperfect op amp in conjunction with 100-k-ohm and 10-M-ohm resistors. The output voltage is found to be +9.31 V when measured with the input open and +9.09 V with the input groun..
In a PCM system, the number of quantization levels is 16 and the maximum lsignal frequency is 4 kHz.;what is the bit transmission rate.
Starting from rest, a 4.70-kg block slides 2.10 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is k = 0.436. (a) Determine the work done by the force of gravity.
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