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AFCAT-EKT EC Quiz 5

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Question 1

A 3-phase synchronous motor can operate over a wide range of power factors (i.e. from lagging to leading power factors). This is achieved by changing

Question 2

The main purpose of using core in a transformer is to __________.

Question 3

If an atom loses one or more electrons, it becomes ___________.

Question 4

A charge will experience a Maximum force due to magnetic field when it is

Question 5

How much increase in actual voltage gain corresponds to + 12 dB?
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Jul 2ESE & GATE EC