121. What will happen if the transformers working in parallel are not connected with regard to polarity?
122. Transformer breaths in when
123. Material used for construction of transformer core is usually
124. Natural oil cooling is used for transformers up to a rating of
125. The maximum load that a power transformer can carry is limited by its
126. Which of the following is the most likely source of harmonics in a transformer?
127. The leakage flux in a transformer depends upon
128. The noise produced by a transformer is termed as
129. A no-load test is performed on a transformer to determine
130. Which of the following parts of a transformer is visible from outside?
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