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A 200/400 ratio, single phase transformer has a secondary winding resistance of 0.5ohms the primary resistance is 0.1 ohms .the total resistance is reffered to primary side is?
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A 200/400 ratio, single phase transformer has a secondary winding resi...
Calculating total resistance referred to primary side
In order to calculate the total resistance referred to the primary side of the transformer, we need to consider the primary and secondary winding resistances along with the turns ratio.

Given Data:
- Turns ratio (N1/N2) = 200/400 = 1/2
- Secondary winding resistance (R2) = 0.5 ohms
- Primary winding resistance (R1) = 0.1 ohms

Calculations:
- Total resistance referred to primary side (Rt) = R1 + (N1/N2)^2 * R2
- Substituting the given values:
Rt = 0.1 + (1/4) * 0.5
Rt = 0.1 + 0.125
Rt = 0.225 ohms
Therefore, the total resistance referred to the primary side of the transformer is 0.225 ohms. This calculation takes into account the primary and secondary winding resistances as well as the turns ratio, providing a comprehensive view of the total resistance from the primary side perspective.
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A 200/400 ratio, single phase transformer has a secondary winding resistance of 0.5ohms the primary resistance is 0.1 ohms .the total resistance is reffered to primary side is?
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