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An electric heater is added to a room. If the heater has an internal resistance of 10 Ω and if energy costs 8 cents per kilowatt-hour, how much will it cost to continuously run the heater per 30-day month? Assume the voltage is 120 V.
a. Given a circuit with a VCVS (A=1000) in series with a 100K ohm resistor, convert this circuit to a VCCS in parallel with a resistor R. b. Connect both circuits to a 25K ohm load resistor and show they produce the same behavior in the load resis..
Discuss three classes of amplifier operation. Provide practical examples.
The downlink of IS-856 has K users each experi- encing i.i.d. Rayleigh fading with average SNR of 0 dB. Each user selectively feeds back the requested rate only if its channel is greater than a threshold y. Suppose y is chosen such that the probab..
The dielectric constant of a doped GaAs can be expressed as Er=11.56+j0.001 at wavelength lambda 1550nm.Evaluate the propagation loss(in dB/Cm) due to absorption when light(lamda = 1550nm) propagates in the GaAs.
An analog signal xa(t), band-limited to 5 Hz, is sampled at a rate of 10 samples per second to give a discrete-time signal x(n) = xa(0.1n). The discrete-time signal x(n) is then filtered with an digital FIR filter, h.
A walker's cassette tape player uses four AA batteries in series toprovide 6V to the player circuit. The four alkaline battery cellsstore a total of 200 watt-seconds of energy. if the cassette playeris drawing a constant 10mA from the battery pack
What is the difference between natural selection and ecological succession?
Identify the intervals of interest for performing the convolution {x[n]*h[n]} on the following LTI system. This experiment requires that you write the summations for each interval of interest, but does not required you to simplify the summations.
a) Find the code word transmitted when the data word is 101100011011. b) Draw the LFSR circuit to generate the CRC. Generate the CRC by applying the data pattern to the LFSR and verify the answer in part a.
Design a circuit for control of lights. There are 3 inputs:Reset, start and clock. Three outputs: Red, Yellow, Green, whichare used to turn on the lights. Only one light can be on at anytime. Reset forces the circuit into a state in which the red ..
A concentric cable has a core diameter of 10 mm. The inductance of the cable is 4 *E-7 H/m. Ignoring inductance due to internal linkages, determine the diameter of the sheath. Assume that the relative permeability is 1.
A 4-element unform linear array with interelement spacing of λ/2 is operated as a broadside array , find the beamwidth betwen nulls and the side lobe level in dB . in the above problem , it is required to re-design the 4 element array so as to loca..
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