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Transformers

Transformers
A transformer will work on

Ac only
AC as well as DC
None of the listed here
Dc only

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Transformers
Primary winding of a transformer

could either be a low voltage or high voltage winding
is always a low voltage winding
is always a high voltage winding
None of these

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Transformers
The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8?

88 V
880 V
8,800 V
8.8 V

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Transformers
The principle of working of transformer is

Dynamic induction
Self induction
Mutual induction
Static induction

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Transformers
In a transformer the energy is conveyed from primary to secondary

through cooling coil
None of these
by the flux
through air

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Transformers
The noise produced by a transformer is termed as

hum
zoom
buzz
ringing

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