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A solar cell is operating at 30°C where the output current is 1.1A and the load voltage is 0.5V. The series resistance of the cell is 20mΩ and the parallel resistance is 2kΩ. Compute the electrical efficiency of the PV cell. Assume that the irradiance efficiency is 22%, compute the overall efficiency of the PV cell.
Find the primary voltage and voltage regulation when the transformer is operating at full load 0.8 power factor lagging and 240 V. Find the primary voltage and voltage regulation when the transformer is operating at full load 0.8 power factor leadin..
Otherwise determine where any other states will go. Draw a transition tablebased on the state diagram. Design a combinational logic diagram using only NAND gates in addition to the flip flopsand BCD to seven segment display.
Obtain 8*1 multiplexer with a dual 4 line to 1 line multiplexers having separate enable inputs but common selection lines. Use a block diagram construction.
1)Design the following function in BiCMOS using the least amount of transistors (RTL not allowed). z= (AB)' + (CD)' 2)Calculate the Emitter current through a loading Resistance of 10k such that VOH=2.3V.
A 60-Hz, 220-V-rms source supplies power to a load consisting of a resistance in series with a capacitance. The real power is 2000W, and the apparent power is 2500VA. Determine the value of the resistance and the value of the capacitance.
A torque of 18 N-m is applied to a rotating part. The moment of inertia is 0.078 kg-m2. How much time (in seconds) will it take to rotate the part 180°?
Design a sequential circuit that cycles through the BCD powers of two (1,2,4,8) in increasing order Of the BCD numbers not used,send the even numbers to 1 and the odd numbers to 8.
The wave passes perpendicularly through an open window, the area of which is0.244 m2. How much energy does this wave carry through the window during a 48.9 s phone call
1. Describe types of electrical hazard, their causes, the dangers and what can be done to prevent them. 2. Provide some guidelines, using the standards provided, on electrical hazards identified above.
Holliman Veterinary Hospital has considered advertising on the radio and in newspapers in their community, but now has contacted you about the possibility of developing a better Web presence. HVH is located in an area of about a half million people; ..
Calculate the stator reactive voltage drop IXs and hence with reference to a phasor diagram calculate the magnitude of the generated voltage E. - what is meant by the load angle of a synchronous motor.
What is the boundary condition for electrostatic potential at an interface between two different dielectric media
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