Silicon steel used in laminations mainly reduces?

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Silicon steel used in laminations mainly reduces?

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asked Mar 19, 2018 by anonymous

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asked Jul 21, 2021 by jyoti kurekar

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asked Jul 26, 2019 by anonymous

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

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

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

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Primary winding of a transformer?

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Which winding in a transformer has more number of turns ?

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Efficiency of a power transformer is of the order of?

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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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In a transformer routine efficiency depends upon?

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The maximum efficiency of a distribution transformer is?

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No-load current of a transformer has?

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Spacers are provided between adjacent coils?

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Greater the secondary leakage flux?

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

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The power transformer is a constant?

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In a transformer the tappings are generally provided on?

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The use of higher flux density in the transformer design?

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

Last Answer : The chemical used in breather for transformer should have the quality of cleansing the transformer oil.

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The chemical used in breather is?

Last Answer : The chemical used in breather is silica gel.

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An ideal transformer has infinite values of primary and secondary inductances. The statement is?

Last Answer : An ideal transformer has infinite values of primary and secondary inductances. The statement is false.

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The transformer ratings are usually expressed in terms of?

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Material used for construction of transformer core is usually?

Last Answer : Material used for construction of transformer core is usually silicon steel.

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The function of conservator in a transformer is?

Last Answer : conservator or a reservoir tank for insulating oil in transformer which used for balanced the onload oil level with help of oil level indicator which mount on middle part of reservoir tank.

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asked Mar 19, 2018 by anonymous