Electrical Questions
Q. Hysteresis loss varies with frequency f as
View SolutionQ. Usual values of flux density for a power transformer using hot rolled silicon steel is
View SolutionQ. In an induction machine, if the air gap is increased:
View SolutionQ. A transformer has negative voltage regulation when its power factor is
View SolutionQ. Instrument transformers are used in alternating circuits for extending the range of
View SolutionQ. Over excited synchronous generator runs at
View SolutionQ. Compared to a closed loop system an open loop system is :
View SolutionQ. Most popular type DAC?
View SolutionQ. Rated load of an underground cable is always __ the natural load
View SolutionQ. Circuit is used to improve the rise and fall time of pulses
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