Transformers

transformers

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172239

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When AC action causes a counter current in a coil, it is terme

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172241

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An active transformer should never

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172243

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Some of the fire hazards of transformer cooling can be compensated for by using

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172246

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Three major losses which occur in a transformer are iron losses, copper losses, and:

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172247

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A transformer has a primary voltage of 500 volts and 20 turns on the primary winding. If there secondary winding has 5 turns the voltage of the secondary is

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172250

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A phenomena produced by electronic switchgear which can result in excessively high voltages in transformers are known as:

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172251

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K-type transformers are _________ and have the ability to withstand the heating effects of harmonics and protect the primary line from harmonic change

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172254

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The production of an electromotive force in a circuit when the magnetic flux linked with the circuit changes as a result of a change in current in the same circuit

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172255

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Transformers should be inspected at least:

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172256

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Transformer cooling oil has:

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172257

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When magnetic flux produced by one coil induces an EMF in a second coil, it is called:

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172258

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Transformers should be inspected at least:

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172259

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Transformers

Question 1 of 1

Time Left

When AC action causes a counter current in a coil, it is terme

Select the correct answer(s).

(0/0)

An active transformer should never

Select the correct answer(s).

(0/0)

Some of the fire hazards of transformer cooling can be compensated for by using

Select the correct answer(s).

(0/0)

Three major losses which occur in a transformer are iron losses, copper losses, and:

Select the correct answer(s).

(0/0)

A transformer has a primary voltage of 500 volts and 20 turns on the primary winding. If there secondary winding has 5 turns the voltage of the secondary is

Select the correct answer(s).

(0/0)

A phenomena produced by electronic switchgear which can result in excessively high voltages in transformers are known as:

Select the correct answer(s).

(0/0)

K-type transformers are _________ and have the ability to withstand the heating effects of harmonics and protect the primary line from harmonic change

Select the correct answer(s).

(0/0)

The production of an electromotive force in a circuit when the magnetic flux linked with the circuit changes as a result of a change in current in the same circuit

Select the correct answer(s).

(0/0)

Transformers should be inspected at least:

Select the correct answer(s).

(0/0)

Transformer cooling oil has:

Select the correct answer(s).

(0/0)

When magnetic flux produced by one coil induces an EMF in a second coil, it is called:

Select the correct answer(s).

(0/0)

Transformers should be inspected at least:

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(0/0)

The voltage induced in the secondary windings of the transformer, is _____ the turns ratio of the transformer.

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Transformers:

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When AC action causes a counter current in a coil of wire, it is termed:

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