Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 0 W 2.5 W 25 W 250 W 0 W 2.5 W 25 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at any desire load None of the listed here Iron loss at no load Cu loss at no load Cu loss at any desire load None of the listed here Iron loss at no load Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Dynamic induction Self induction Static induction Mutual induction Dynamic induction Self induction Static induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
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