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In an FM transmitter, the output is changing between 90.001 and 89.999 MHz 1800 times a second. The information signal amplitude is 1.5 V. Determine the carrier frequency and information signal frequency. If the output deviation changes to between 90.002 and 89.998 MHz, calculate the information signal amplitude.
A transmission line has a resistance of 0.001 pu , and 0.01 p.u reactance. Voltages at the both ends (p and q) of the transmission line are 1.0p.u each. Angle at bus "p" is 45o and the angle at bus " q" is 30o.
An automatic automotive spray painting system consists of conveyors, spraying, dust and overspray extraction fans with electrostatic and water walls, finishing with baking ovens. This system is connected to a 415V, 50 Hz three phase and has been divi..
A student has a coil of unknown inductance and resistance. He connects it in series with a 100 ohm resistor, places a voltmeter across the resistor, and connects the whole circuit to a power supply. When the power supply is 60 V DC
To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
A sled is traveling at 4 m/s along a horizontal stretch of snow. The coefficient of kinetic friction is 0.05 . How far does the sled go before stopping ?
If a circuit is comprised of a load and multiple switches wired in series with the load and the load is operating, is it possible that one or more of the switches is in the open position
A load is drawing 10 A rms when connected to a 1200 V rms supply running at 50 Hz. If the source is operating at a lagging PF of 0.9, calculate (a) the peak voltage magnitude; (b) the instantaneous power absorbed by the load at t = 1 ms
A given application is reading and writing 32KByte files on a disk that has a data transfer rate of 150MByte/s. Measurements have shown that this disk incurs an average seek time of 6.7 msec and needs an average of 11.08 msec to complete a read or..
What is the bandwidth required so that the modulated signal contains atheist 90% of the power of the unmodulated carrier. A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.
A 100 MW unit with 0.05 puturbine regulation operates in parallel with a 500 MW unit of identical turbine regulation. For a specific amount of power demand increase, find the ratio of sharing of the load by the units, system frequency is 50 Hz.
A system initially consists of 3 lbm of a substance having specific internal energy u of 20 Btu/lbm, and 6 lbm of the same substance having an internal energy of 30 Btu/lbm. 150 Btu of energy is transferred as heat to this system
When the two windings are connected to a a.c supply of 50hz, the field current is 0.1A, the armature current is 100A and the phase difference between them is 60 degree. calculate the average torque and maximum torque.
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