A Current Transformer Has a Ratio of 600:5

question 2

Multiple Choice

A current transformer has a ratio of 600:5. If the primary power wire is inserted through the opening, it will require a current of 600 amps to deflect the meter full scale. If the primary power conductor is looped around and inserted through the window a second time, the primary now contains two turns of wire instead of one. It requires ____ amps of current flow in the primary to deflect the meter full scale.

• A) 125
• B) 200
• C) 300
• D) 600

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