A 200/2000 V, 1-ϕ, 50 Hz transformer has primary and secondary resist – McqOptions

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1.	A 200/2000 V, 1-ϕ, 50 Hz transformer has primary and secondary resistance of 5 Ω and 20 Ω, respectively. Find the value of equivalent resistance of the transformer referred to the primary side.
A.	20 Ω
B.	10 Ω
C.	5.2 Ω
D.	12.4 Ω
Answer» D. 12.4 Ω

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