For testing purpose, CT knee point is defined as ___

For testing purpose, CT knee point is defined as

A. Where CT’s excitation current raise 10% will result in 50% reduction in voltage value
B. Where CT’s Voltage raise 10% will result in 50% reduction in excitation current value
C. Where CT’s Voltage raise 10% will result in 50% increase in excitation current value
D. Where CT’s excitation current raise 10% will result in 50% increase in voltage value

Show Answer

Answer: C

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