A Transformer Is to Be Designed to Increase the 30

question 42

Multiple Choice

A transformer is to be designed to increase the 30 kV (rms) output of a generator to the transmission line voltage of 345 kV (rms) .If the primary winding has 60 turns,how many turns must the secondary have?

• A) 57
• B) 6900
• C) 690
• D) 11

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