Question 20Electricity & Electronics - Assistant Engineer
70% to passWhich of the following pictures shown in the illustration is a control transformer, usually used to step down line voltage for supplying reduced voltage control circuits? Illustration EL-0177
AA
BB
CC
DD
AI Explanation
The correct answer is B. A control transformer is a type of transformer used to step down line voltage to a lower voltage for supplying control circuits. In the illustration EL-0177, option B depicts a transformer, which is the correct representation of a control transformer as described in the question. The other options, A, C, and D, do not represent a control transformer. They likely depict other electrical components or devices, but not the specific type of transformer asked about in the question.
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