Welcome to your Transformers
A common method of cooling a power transformer is
The purpose of providing an iron core in a transformer is to
Which of the following does not change in a transformer ?
While conducting shortcircuit test on a transformer the following side is short circuited
The dielectric strength of transformer oil is expected to be
Two transformers operating in parallel will share the load depending upon their
Power transformers are designed to have maximum efficiency at
The path of a magnetic flux in a transformer should have
In a transformer the energy is conveyed from primary to secondary
The maximum efficiency of a distribution transformer is
The purpose of providing iron core in a stepup transformer is
A transformer core is laminated to
In the transformer following winding has got more crosssectional area
Which of the following is not a part of transformer installation ?
In a given transformer for given applied voltage, losses which remain constant irrespective of load changes are
The no-load current drawn by transformer is usually what per cent of the fullload current ?
The no load current in a transformer lags behind the applied voltage by an angle of about
A transformer cannot raise or lower the voltage of a D.C. supply because
What will happen if the transformers working in parallel are not connected with regard to polarity
The efficiency of a transformer will be maximum when
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