A transformer is used to match an amplifier with an 8Ω speaker, as shown shown in the figure. The Thevenin equivalent of the amplifier is V_Th = 10V, and Z_Th = 128Ω. Determine the transformation ratio “a” (shown in the figure)

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Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.