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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
Differentiate between synchronous and asynchronous types of serial communication. Serial data communication uses two fundamental types as, synchronous and asynchronous. With
Induction motors are often braked rapidly by a technique known as plugging, which is the reversal of the phase sequence of the voltage supplying the motor. Assume that a motor with
Q. Explain Crystal Oscillator The frequency of a crystal-controlled oscillator is held constant to a high degree of accuracy by the use of a quartz crystal. The frequency depen
Q. Draw and explain an RC integrator, with equations RC Integrator is a low pass RC circuit in which the output is taken across capacitor. The low pass RC circuit gives conside
Execution of Digital Logic Circuits A safety circuit is employed on a lathe to prevent the motor turning if it is not safe to operate. A series of 2 switches are used to check
a. Determine the power flow diagram for a DC generator. b. A shunt wound DC generator delivers 496 A at 440 V to a load. The resistance of the shunt field coil is 110? and that
Hexadecimal Number System Similar to octal number hexadecimal number system is also used to represent long binary numbers in smaller form. In microprocessor we use hexad
Define the X-NOR or Exclusive-NOR Gate? This is the EX-OR gate with the output inverted, as shown by the 'o' on the output and the output Q is true if inputs A and B a
Hoe to start?
Salient Features of NEP: Access to electricity: The policy not only envisages access to electricity for all but it also emphasizes in which all consumers, particularly t
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