Helical coils can be used on?

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asked Mar 19, 2018 by anonymous

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asked Mar 19, 2018 by anonymous

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The chemical used in breather for transformer should have the quality of?

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asked Mar 19, 2018 by anonymous

The chemical used in breather is?

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Material used for construction of transformer core is usually?

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asked Mar 19, 2018 by anonymous

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asked Mar 19, 2018 by anonymous

The core used in high frequency transformer is usually?

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Silicon steel used in laminations mainly reduces?

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The main reason for generation of harmonics in a transformer could be?

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22

asked Mar 19, 2018 by anonymous

When secondary of a current transformer is open-circuited its iron core will be?

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asked Mar 19, 2018 by anonymous

In a transformer the resistance between its primary and secondary should be?

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The dielectric strength of transformer oil is expected to be?

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asked May 22, 2020 by anonymous

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asked Mar 19, 2018 by anonymous

No-load current in a transformer?

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asked Mar 19, 2018 by anonymous

The purpose of providing an iron core in a transformer is to?

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asked Mar 19, 2018 by anonymous

In the transformer which winding has got more cross-sectional area?

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39

asked Mar 19, 2018 by anonymous

A transformer cannot raise or lower the voltage of a D.C. supply because?

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40

asked Mar 19, 2018 by anonymous

Primary winding of a transformer?

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41

asked Mar 19, 2018 by anonymous

Which winding in a transformer has more number of turns ?

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42

asked Mar 19, 2018 by anonymous

Efficiency of a power transformer is of the order of?

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43

asked Mar 19, 2018 by anonymous

The no load current in a transformer lags behind the applied voltage by an angle of about?

Last answer: The no load current in a transformer lags behind the applied voltage by an angle of about 75°.

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44

asked Mar 19, 2018 by anonymous

In a transformer routine efficiency depends upon?

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asked Mar 19, 2018 by anonymous

The maximum efficiency of a distribution transformer is?

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46

asked Mar 19, 2018 by anonymous

Transformer breaths in when?

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47

asked Mar 19, 2018 by anonymous

No-load current of a transformer has?

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48

asked Mar 19, 2018 by anonymous

Greater the secondary leakage flux?

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49

asked Mar 19, 2018 by anonymous

The purpose of providing iron core in a step-up transformer is?

Last answer: The purpose of providing iron core in a step-up transformer is to decrease the magnitude of magnetizing current.

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272 views 1 answer

50

anonymous · Answer 1 · 2018-03-19T21:11:59+0000

answered Mar 19, 2018 by anonymous

Helical coils can be used on low voltage side of high kVA transformers.

Helical coils can be used on?

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