Disscuss Question 20473 of Transformers - General Questions of Basic Electronics Questions and Answers :: Electronics & Communication Engineering

1. 

A transformer is plugged into a 120 V rms source and has a primary current of 300 mA rms. The secondary is providing 18 V across a 10 omega (5) load. What is the efficiency of the transformer?
[A]. 88%
[B]. 90%
[C]. 92%
[D]. 95%

Answer: Option B

Explanation:

No answer description available for this question.

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