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Q. A 75-kVA transformer has an iron loss of 1 kW and a full-load copper loss of 1 kW. If the transformer operates on the following load cycle, determine the all-day efficiency:
8 hours full load at unity power factor
8 hours no load
8 hours one-half full load at unity power factor
Q. Explain the fixed bias circuit? The Fig refers to the common emitter collector characteristics and the ac and dc load lines.The Fig shows the points Q 1 and Q 2
Q. Explain Kirchhoff current law? The basic laws that must be satisfied among circuit currents and circuit voltages are known as Kirchhoff 's current law (KCL) and Kirchhoff 's
write down the similarities between motors and generators
Q. Find the parameter values V T and I DSS for a p- channel MOSFET with i D = 0 when v GS ≤-3 V, and i D = 5 mA when v GS = v DS =-8V.You may neglect the effect of v DS on
Q. Can you explain about Slew Rate? Slew (or slewing) rate is a measure of how fast the output voltage can change. It is given by the maximum value of dvo/dt , which is normall
How can I design alternator?
A very widely used alternative form of synchronous motor is the ' indu c tion motor'. This has the advantage that it does not require an auxiliary motor to run the rotor up t
.I need some help for doing my assignment
conversion of auto transformer in to winding transformer and vice versa
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