# Electrical Engineering - Three-Phase Systems in Power Applications

## Why Electrical Engineering Three-Phase Systems in Power Applications?

In this section you can learn and practice Electrical Engineering Questions based on "Three-Phase Systems in Power Applications" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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## Where can I get Electrical Engineering Three-Phase Systems in Power Applications Interview Questions and Answers (objective type, multiple choice)?

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## How to solve Electrical Engineering Three-Phase Systems in Power Applications problems?

You can easily solve all kind of Electrical Engineering questions based on Three-Phase Systems in Power Applications by practicing the objective type exercises given below, also get shortcut methods to solve Electrical Engineering Three-Phase Systems in Power Applications problems.

### Exercise :: Three-Phase Systems in Power Applications - General Questions

1.

In a three-phase system, the voltages are separated by

 A. 45° B. 90° C. 120° D. 180°

Explanation:

No answer description available for this question. Let us discuss.

2.

In a three-phase system, when the loads are perfectly balanced, the neutral current is

 A. zero B. one-third of maximum C. two-thirds of maximum D. at maximum

Explanation:

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3.

In a -connected source driving a -connected load, the

 A. load voltage and line voltage are one-third the source voltage for a given phase B. load voltage and line voltage are two-thirds the source voltage for a given phase C. load voltage and line voltage cancel for a given phase D. load voltage, line voltage, and source phase voltage are all equal for a given phase

Explanation:

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4.

In a certain three-wire Y-connected generator, the phase voltages are 2 kV. The magnitudes of the line voltages are

 A. 2,000 V B. 6,000 V C. 666 V D. 3,464 V

Explanation:

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5.

In a -connected source feeding a Y-connected load,

 A. each phase voltage equals the difference of the corresponding load voltages B. each phase voltage equals the corresponding load voltage C. each phase voltage is one-third the corresponding load voltage D. each phase voltage is 60° out of phase with the corresponding load voltage