Electronics - Inductors - Discussion

59. 

A transformer is used:

[A]. to couple electric energy from one dc circuit to another
[B]. to couple electric energy from an ac circuit to a dc circuit
[C]. to couple electric energy from a dc circuit to an ac circuit
[D]. to couple electric energy from one ac circuit to another

Answer: Option D

Explanation:

No answer description available for this question.

Prakash said: (Jul 19, 2013)  
Transformers are all for AC purpose not for DC.

Ram Charan said: (Jul 10, 2014)  
Transformers are used for household appliances which supply 230v 50hz of sinusoidal AC supply.

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