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What is the difference between ergodic and random signals?
a) Under equilibrium conditions and T>0 K what is the probability of an electron state being occupied if it is located at the Fermi level b) If Ef is positioned at Ec, determine numerically the probability of finding electrons in states Ec-kT
A temperature sensor produces 10 mV for each degree Fahrenheit. Determine the error in temperature reading if 20 mV of noise is added to the sensor output signal when the temperature is 70 degrees.
Calculate the power factor of the entire circuit of Fig. 11.19 as seen by the source. What is the average power supplied by the source?
Draw a circuit diagram plus voltage and current waveforms, to illustrate how the speed of a permanent magnet dc motor may be controlled from a dc supply using a chopper drive - Calculate the minimum line voltage required to operate the motor at its..
Suppose a uniform magnetic field exists ina finite regionof space. Can a charged particle be injected into this region from the outside and remain trapped in the region by magnetic force alone
Analyse and Model Engineering Situations and Solve Engineering Problems using Laplace Transform
1. What parameter of the intelligence signal causes or determines the rate of carrier frequency deviation 2. If you are tuned to an FM station at a frequency of 100.1 MHz, show the bandwidth allocation for two adjacent stations.
How would you determine whether a given function, f(t), had finite or infinite energy. Give an example of a function with finite energy and one with infinite energy.
Resistors R1 -8 Ω, R2 -4 Ω and R3 -6 Ω, are connected in series to a voltage source. Which resistor will dissipate the most power
A hollow aluminum sphere, with an electrical heater in the center, is used in tests to determine the thermal conductivity of insulating materials.
the chopper controls a dc machine with an armature inductance of 0.2mh. the armature resistance can be neglected. the
The input of a lightly loaded transmission gate is slowly Ajit Pal, IIT Kharagpur Ajit Pal, IIT Kharagpur changes from HIGH level to LOW level. How the currents through the two transistors vary
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