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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
Question : a) State six desirable requirements of a generic photo-detector. b) A gallium arsenide pin photo-diode has an intrinsic layer of width 1 μm. The diode is revers
Q. What is a wave analyzer? Explain any one technique of wave analyzer giving its application also. OR Write short note on HETERODYNE Wave analyzer. OR Explai
when i/p voltg is grater than battery diode is clse or open
Explain RS422A standard. RS422A: 1. Date Rate: 10 Mbits per second 2. Driving capability up to 4000ft and 10 receivers 3. This is Differential standard that is- a
Q. JFET Common Source Amplifier? The common source configuration for a FET is similar to the common emitter bipolar transistor configuration, and is shown in figure. The common
explain inifinite bus
Compute the efficiency of the transformer of Example corresponding to (a) full load, 0.8 power factor lagging, and (b) one-half load, 0.6 power factor lagging, given that the input
stress
A forward converter has the following parameters: input source voltage V s = 100 V, N 1 /N 2 = N 1 /N 3 = 1, magnetizing inductance L m = 5 mH, output inductor L o = 200 μH, C
Aims of the Tariff Policy - electricity policies: The aims of the National Tariff Policy are to: 1. Ensure availability of electricity to consumers at reasonable and compet
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