How Can TheW Indings Ratio Be Safely Determined for an Unmarked

Multiple Choice

How can theW indings ratio be safely determined for an unmarked transformer?

A) StandardizedW
Ire color codes indicate Windings ratio.
B) The turns ratio is the same as the ratio of primary resistance to secondary resistance ratio.
C) Apply known lowVoltage ac to the primary and measure the secondary output. The ratio of
TheVoltages is the same as the Windings ratio.
D) either A or C