Select the best answer for the question:

20. What's the name for a transformer that utilizes a shield between the primary and secondary windings and a transformer ratio of 1:1 to ensure that the load is separated from the power source?

A. Current transformer
B. Isolation transformer
C. Instrument transformer
D. Autotransformer



Answer :

Final answer:

An Isolation transformer with a 1:1 transformer ratio ensures safety by separating the load from the power source.


Explanation:

An Isolation transformer utilizes a shield between the primary and secondary windings with a transformer ratio of 1:1 to ensure that the load is separated from the power source. It prevents direct electrical connection between the primary and secondary, providing electrical safety.


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