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Define useful flux, leakage flux and fringing.

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A transformer oil must be free from moisture.

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The dielectric strength of transformer oil is expected to be?

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

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

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Part of the transformer which is most subject to damage from overheating is?

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During open circuit test of a transformer?

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The size of a transformer core will depend on?

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In a given transformer for a given applied voltage, losses which remain constant irrespective of load changes are?

asked Mar 19, 2018 in Transformer by Shimroz123
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The secondary of a current transformer is always short-circuited under operating conditions because it?

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1 answer 13 views

A good voltage regulation of a transformer means?

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1 answer 30 views

For a transformer, operating at constant load current, maximum efficiency will occur at?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 26 views

The noise produced by a transformer is termed as?

asked Mar 19, 2018 in Transformer by Shimroz123
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If a transformer is continuously operated the maximum temperature rise will occur in?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 16 views

The hum in a transformer is mainly attributed to?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 19 views

The maximum load that a power transformer can carry is limited by its?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 14 views

The efficiency of a transformer, under heavy loads, is comparatively low because?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 46 views

An open-circuit test on a transformer is conducted primarily to measure?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 21 views

A no-load test is performed on a transformer to determine?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 20 views

The voltage transformation ratio of a transformer is equal to the ratio of?

asked Mar 19, 2018 in Transformer by Shimroz123
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If a transformer is switched on to a voltage more than the rated voltage?

asked Mar 19, 2018 in Transformer by Shimroz123

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