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Passive Components * Introduction: Passive Components * Resistors * Capacitors * Inductors * Transformers ## Transformer Operations ## Examples: Transformer Operations ## Phase ## Voltage and Turns Ratio ## Examples: Voltage and Turns Ratio ## Current and Turns Ratio ##

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Transformers /

Examples: Current and Turns Ratio

<^< Current and Turns Ratio | Course Index | Batteries, Fuses, Lamps and Switches >^>(:nl:)

>>frame round<< Example 1:

The primary current in a loss-free transformer is 250mA whilst the secondary current is 6A.

Determine the turns ratio of the transformer. >><<

>>id=example1 class=question margin=10px frame round<< Turns ratio, N'_P_'/N'_S_' = I'_S_'/I'_P_' = 0.25A / 6A = 1:24 >><<(:nl:)(:table style="clear:both":)

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