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using diagrams, discuss how an LED and electromechanical relays are interfaced with the microcontroller in an electrical circuit.
A voltage v(t) = 359.3 cos(wt) is applied to a load consisting of a 10 resistor in parallel with a capacitive reactance XC = 25. Calculate The instantaneous power absorbed by the resistor The instantaneous power absorbed by the capacitor
4. consider a three slab geometry where each slab carries a uniform charge density and has equal width w in the z
The sampled signal is passed through an ideal LPF which rejects all frequencies above 8 kHz and has a gain Ts. Les sR(t) be the output of the LPF. Sketch LT[sR(t)], in which FT[] denotes the Fourier Transform, in frequency domain.
Current, voltage, and power to a three phase system are measured and found to be 20 A, 550 V and 10.5kW respectively. Determine equivalent circuits per phase as follows: (a)wye connected series combination of resistance and reactance in each phase.
Derive equations for the capacitance, and resistance across the dielectric of a coaxial line of inner conductor radius a, and outer conductor radius b, and permittivity ε.
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.
What is the peak frequency deviation of the FM signal and bandwidth of the FM signal? The signal is received with CNR = 30.0 dB. What is the SNR of the recovered video signal at the radio receiver output?
Design and build your traffic light. Include Truth tables, state diagrams, state tables, and counter design. You will burn an EPROM during lab to supply the outputs of your system; however, make sure your counter and walk signal circuit is complet..
A coaxial air line has an inner conductor diameter of 2mm and the inner diameter of the outer conductor is 4.6mm. A voltage of 1 V is applied to the inner conductor. Determine the surface charge densities on the inner conductor
A motor with efficiency of 76% supplies 20 hp to a load. it's power factor is 0.6 (lagging). A voltage of 440 VAC (RMS), 60 hz is applied to the motor a) what is the real power applied to the motor in Watt
When writing or speaking about reactance, how do we distinguish inductive reactance from capacitive reactance. How are resistances, inductive, and capacitive reactance treated in calculations of AC voltage and current.
find the force between a charged circular loop of radius b and uniform charge density l and a point charge Q located on the loop axis at a distance h from the plane of the loop. what is the force when h>>b, and when h=0 plot the force as a functio..
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