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120V, 60 Hz source is connected to a distribution line whose resistance, and inductive reactances are 0.1Ohm, j0.2 Ohm, respectively. Single phase, 2HP, 120V, 0.75 lagging pf. motor and 2.4Kw, 120V heater is connected in parallel. Find the value of the capacitor connected in parallel with the load to improve the power factor to unity.Find• current flowing in each load before connecting the capacitor and after connecting capacitor,• Line losses before connecting the capacitor and after connecting capacitor,• power factor of the source before connecting the capacitor and after connecting capacitor,• Power consumed by the load before connecting capacitor and after,• Total impedance of the circuit before connecting capacitor and after,• The value of the capacitor to improve the power factor to unity. (connect the capacitor in parallel with the load to improve the power factor)
A laser (wavelength fo = 633 nm) is generating a Gaussian beam with 0.1 mm beam waist (2wo). (1) Find the beam's divergence angle and depth of focus (2) What will be its diameter when it reaches Moon
A circuit is required in order to control a network of switches. The circuit has four inputs: three of the switches are normal on/off switches while the fourth switch is an enable switch for the entire circuit. The circuit should have the followin..
An x-y plane separates two materials. Material 1 covers z 0 region. There is no surface current or charge on the boundary between the two materials.
The Dinorwig pumped storage hydroelectric facility in Northern Wales utilizes an abandoned slate quarry named Marchlyn Mawr as the upper reservoir. 600 meters below the Llyn-Peris lower reservoir can be found. The plant contains six 288MW generato..
Assume the motor is connected in wyne and that each branch can be represented by a resistance R in series with an inductive reactance X. (a) Calculate the value of R and X. (b) What is the phase angle between the line current
What are the names of the three regions of the bipolar junction transistor Why is there a thin region of one material type "sandwiched" between two layers of the opposite material type
A three phase motor is connected to a 60Hz electrical source. The motor spins at 600rpm. Find the number of poles in the machine. The output of the above motor is connected to the input of a generator.
A line has an inductance of1.25mH/km with an impedance angle of 70 degree , and a capacitance to neutral of 0.01mF/km. Calculate its reactance and series impedance per unit length at 50Hz. Calculate the line admittance per unit length
A constant electric field, E=12 V/cm, exists in the +x direction of an n-type gallium arsenide semiconductor for . The total current density is constant and is equal to 100 A/cm2. At x=0, the drift and diffusion current densities are equal.
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op Amp characteristics cause any challenges it used for each application.
Consider a (1;N) SIMO channel (with N > 1), represented by a N x 1 channel vector h1 with hH1 h1 = II h1 II2 = 1. Suppose that the received signal is given by x = h1s + n, where the power of the data signal s is E(IsI2)= P
You are evaluating the feasibility of adding an injection molder to fabricate plastic sporks (everybody’s favorite harmless utensil) for the US Facility for the Criminally Insane. An injection molder will cost $1,200,000 installed.
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