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1. Find the frequency of 3-cm wavelength EM radiation. What band of phenomena does this radiation represent?
2. A source of green light has a frequency of 6.5 x 1014 Hz What is its wavelength in nanometers (nm) and in?
Determine the periods and find exponential fourier series coeffecients of functions. A.) f(t) = 2(cost)(cos2t) B.) g(t) = 3 + 2e^-j2t + 2e^j2t + 2cos4t C.) h(t) = 4
What is the normal or average life expectancy of a Transformer ?
Calculate the minimum value of Ro that will cause oscillation to occur.
design a first order low pass filter with a DC gain of 2 and a gain of -3 decibels at 1000 rad/s. not sure what design equations to use since there not seem to be a given cut off frequency.
The stator resistance Rs is 0.25 Ω, and the stator as well as rotor leakage inductances are negligible. All losses except in the stator and rotor resistances can also be neglected. The reflected rotor resistance, Rr' is 0.3 Ω. The magnetizing curr..
Write the nodal equations for the networks of given figure. - Determine the magnitude and polarity of the voltage across each resistor.
A steam power plant employs a closed feedwater heater to improved the thermal efficiency. Draw a chematic and T-S diagram for the cycle, and labe it. Write an expression for the thermal efficienc of the ecycle in accordance with the labelling
Calculate the location of Ei in silicon at liquid nitrogen temperature(77k), at room temperature 300k and at 100 degree celsius (let mp =1.0mo and mn= .19m0) Is it reasonable to assume that Ei is the center of the forbidden gap
If the machine is driven at a speed of 459rpm to act as a generator of real power, find the rotor current referred to the stator and the real and reactive power outputs of the induction machine.
Discuss how LANs can make multivendor processing equipment compatible ? What are the two basic underlying transmission techniques used for LANs? Compare these using a minimum of eight characteristics.
Consider an air compressor operating steadily. How would you compare the volumetric flow rates of the air at the compressor inlet and outlet. Will the temperature of air rise as it is compressed by an adiabatic compressor.
Given: A 13.8 kV circuit has a load of 6000 kVA with a lagging power factor of 0.8. Required: How much capacitive reactive power is needed to correct the power factor to 0.92 lagging
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