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Write the solution of the given problem:
A 3-phase, 50 Hz, 400 V motor develops 100 H.P. (74·6 kW), the power factor being 0·75 lagging and efficiency 93%.
A bank of capacitors is connected in delta across the supply terminals and power factor raised to 0·95 lagging.
Each of the capacitance units is built of 4 similar 100 V capacitors.
Determine the capacitance of each capacitor.
Derive the equations of motion of the system - Create a Simulink model using the differential equations
A 50 ohms lossless transmission line is to be connected to a load of 25 ohm. Use a lamda/4(quarterLamda) length of line of unknown impedance between the load and the 50-ohm line to match it,
Determine the width of a carbon resistor having a sheet resistance of 150 if the length is 1/2 in. - and the resistance is 500 Ω.
Determine the junction capacitance per unit area.
A point charge of -2.00 uC is located in the center of a spherical cavity of radius 6.54 cm inside an insulating spherical charged solid. The charge density in the solid is 7.34×10^-4 C/m^3 .
Draw a well labelled diagram of a ultrasonic doppler flow meter.- Give a short explanation and the equivalent equations.
Find the total energy stored in the network. Change from uF to uJExpress your answer using two significant figures.
A rectangular loop of wire containing a high resistance voltmeter has corners initially at (a/2, b/2, 0), (-a/2, b/2, 0), (-a/2, -b/2, 0) and (a/2,-b/2, 0). The loop begins to rotate about the x axis at constant angular velocity w.
Determine the improvement (in decibels) in the output SNR that results if the modulation index is increased from 0.6 to 0.9.
Consider a spherically symmetric configuration: A spherical charge distribution has radius R_A and *nonuniform* charge density rho(r) = rho_zero R_A / r.
A string of Christmas tree lights consists of ten (2W, 11V) bulbs connected in parallel. a) What current flows in each bulb b) What is the resistance of each bulb
Parallel resonant circuits are used to select frequencies because the voltage and impedance peak at resonance. Calculate the impedance of the resonant circuit specified in Problem 25
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