Transformers

82. If R2 is the resistance of secondary winding of the transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be

$$rac{{{{ ext{R}}_2}}}{{sqrt { ext{K}} }}$$
$$rac{{{{ ext{R}}_2}}}{{{{ ext{K}}^2}}}$$
$$rac{{{ ext{R}}_2^2}}{{{{ ext{K}}^2}}}$$
$$rac{{{ ext{R}}_2^2}}{{ ext{K}}}$$

Detailed SolutionIf R2 is the resistance of secondary winding of the transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be

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