5. 可9 る jul, (a) Write down 可 式,土?式 =?云主?, (b) =?式,i可 = %3D
A: The current in both primary and secondary winding enters the dot nation of the winding and the positive polarities of the primary voltage and secondary side are also on the dot notation. Thus, the effect of mutual inductance on both the voltages is additive. So, the total voltage at primary side is equal to voltage due to inductance of the primary coil and additive effect of the mutual inductance of the secondary coil. The total voltage at secondary side is equal to voltage due to inductance of the secondary coil and additive effect of the mutual inductance of the primary coil.
Hence, the expression of voltages on the primary side and secondary are given by:
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