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The load to a 3-phase supply comprises three similar coils connected in star. The line currents are 25A and the KVA and KW inputs are 20 and 11 resoectively.
Find
i)the phase and line voltages.
ii)the KVAR input and,
iii)resistance and reactance of each coil.
A transmission line is loaded by a 96 % efficiency antenna that radiates 35 Watts into space. The antenna has a 30 dB gain and has a radiation resistance of 85-ohm. This line is loaded by a matched source TX.
From what distance must the electron be red if it is to just fail to strike the plate?
An 11.2 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block are 12.0 cm 9.8 cm 9.8 cm. The 12.0 cm dimension is vertical, and the top of the block is 5.00 cm below the surface of t..
Test an Audio Amplifier which delivers one of the above power outputs to an 8? speaker load. The audio frequency range is between 20 Hz to 20 KHz, so the operating frequency of your design will be within this range
A single phase 50 Hz source supplies power with the impedance of0.185 + j0.321 ohms. The terminal voltage of the motor is 230 V.The power drawn by the motor is 5 kW at a power factor of 0.7lagging,
The chosen switch to be used in an inverter is an IGBT (Insulated Gate Bipolar junction Transistor), the voltage-controlled drive side of a MOSFET with the power side of a power transistor.
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recedes to infinity.
Determine the location of the shear center O of a thin-walled beam of uniform thickness having the cross section shown.
Operational amplifier - Finding the offset voltage, An operational amplifier has a gain of 20. The input voltage is 125mV and the input bias current is zero.
A logic function is given by F=?A,B,C,D,E(3,11,12,19,24,26,27,28,30). Use variable-entered K-map to find a simplified sum-of-product expression for function. Also find the corresponding product-of-sum expression.
The goal of this homework is to understand the design
Using the Murray Loop test, determine the distance to an earth fault on one of the cores of a uniform three-core underground cable. Ra = 2 ohms, Rb = 1 ohm and the cable length is 300 m.
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