Top Electrical Questions and Answers for Exam Preparation

Explore top Electrical questions and answers to boost your exam preparation and enhance your understanding of key concepts.

Electrical Questions

Q. Hysteresis loss varies with frequency f as

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Q. Usual values of flux density for a power transformer using hot rolled silicon steel is

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Q. In an induction machine, if the air gap is increased:

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Q. A transformer has negative voltage regulation when its power factor is

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Q. Instrument transformers are used in alternating circuits for extending the range of

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Q. Over excited synchronous generator runs at

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Q. Compared to a closed loop system an open loop system is :

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Q. Most popular type DAC?

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Q. Rated load of an underground cable is always __ the natural load

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Q. Circuit is used to improve the rise and fall time of pulses

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