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The charge that pass through a circuit element is given by q(t) =0.01sin(200t) C, in which the angle is in radians. Find the currentas a function of time.
A 20-MVA, 12.2 kV, 0.8-PF lagging , Y connected synchronous generator has a negligible resistance and syncronous reactance of 1.1 per unit. The generator is connected in parallel with a 60-Hz, 12.2-kV infinite bus that is capable of supplying or c..
The equivalent circuit for a typical automotive battery charging system is a three-phase delta-connected source which represents thestator coils of the alternator. a) Sketch the load voltagevoltage vt(t) to scale vs time.
A PV system using battery charger can provide the necessary power when there is no sun. The manufacturer has provided following parameters (All measurements are done at standard condition of AM1.5 G spectrum) of an Indi dual solar cell.
Calculate the concentration of electrons and holes in a sample of silicon that has a concentration of acceptor atoms equal to 10^16/cm^3. Is this semiconductor n or p type
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4×10?11 S/mile, resistance (R) is 0.1 ?/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
Design a series controller (a PD, PI or PID) so that the following performance specifications are satisfied. Steady-state error due to a step input = 0
Water at the top of Niagara Falls has a temperature of 14.0°C. If it falls a distance of 60.0 m and all of its potential energy goes into heating the water, calculate the increase in temperature of the water at the bottom of the falls.
A step-down transformer has a120V rms primary voltage applied and a 12V rms voltage is measuredat the secondary. Assuming the transformer can be considered ideal, determine the turns ratio, n.
A calibrated RTD with alpha = 0. 0041 / degree C, R = 306. 5 ohm at 20 degree C, and PD = 30 mW / degree C will be used to measure a critical reaction temperature. Temperature must be measured between 50 degree and 100 degree C.
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16 mm^2 andresistivity 17.2nΩ m.
when operating in the step down mode and feeding a load impedance of 8
Write the expression for the current through the capacitor after the switch is closed. The circuit is a 60 Volt circuit
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