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A lossless transmission line is 5 meters long and has the following parameters: L = 0.16 ?H/m
C = 100 pF/m
It is operated at 7.5 MHz. The load impedance is 25 + j 25 ?.
The input voltage is 10 + j0 V rms.
Determine the input current and the load current and voltage. Also, calculate the power absorbed at the load.
Use the data from A above, but assume the load is an open circuit. Determine the input current and the load current and voltage. Also, determine the power absorbed at the load.
A 1000V, 50 hp compound motor runs at a speed of 750 rpm at full load. The armature, series and shunt field resistances are 0.5 ohm, 1 ohm, and 200 ohm, respectively. The motor efficiency at this condition is 80%. Calculate the motors starting cur..
three single-phase transformers rated at 250kVa, 7200V/600, 50Hz, are connected in wye-delta on a 12470V, 3 phase line, if the load is 450kVA, calculate the current in the incoming and outgoing transmission lines and in the primary and secondary w..
The IC differential amplifier is to be fabricated in a CMOS technology having the technology specifications of Kn' = 200 uA/V. Kp' = 100 uA/V. Vtn = 1V Vtp = -1V Va = 50V L = 1u. Calculate all the device widths for a constant bias current of 1mA
For a 128-PSK modulator with an input data rate equal to 56 Mbps and a carrier frequency of 100 MHz, determine (a) minimum required bandwidth and (b) baud rate.
Design a circuit to give uninterrupted 5 V dc power supply with 110 V 60 Hz line voltage as input. The dc output should be available in case of power outage (110 V line supply). In case of line failure, the circuit should switch to backup source t..
A proportional control system is to be used to control the wing flap of a jet airplane. The wind load is expected to cause as much as 600 in-lb of torque. The system should be able to keep the flaps with 5o of the set point.
A coaxial line 5.6m long has distributed parameters R=6.5ohm/m, L=3.4 uH/m, G=8.4 mS/m, and C=21.5 pF/m. If the line operates at 2MHz, calculate the characteristic impedance and the end-to-end propagation time delay.
A digital signaling system is required to operate at 9600 bps. If a signaling element encodes a 8-bit word, what is the minimum required bandwidth of the channel?
The lens-makers' equation applies to a lens immersed in a liquid if n in the equation is replaced by n2/n1. Here n2 refers to the index of refraction of the lens material and n1 is that of the medium surrounding the lens.
For a face centered cubic, the volume of a conventional unit cell is a^3 Find the volume of a fcc primitive unit cell with three basis vectors: (0,0,0 --> a/2,0,a/2) and (0,0,0 --> a/2,a/2,0), and (0,0,0 --> 0,a/2,a/2)
The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna. What is the total average power for a commercial AM transmitter with an unmodulated carrier power of 20 kW and 100%..
A jet has 4 engines. Each engine gives a FAIL signal which is TRUE if the engine is broken, and is FALSE if the engine is working fine. The plane can fly as long as at most 1 engine is broken.
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