A power transmission line feeds input power at 2.3 kV to a step-down transformer with its primary winding havi…

Question

A power transmission line feeds input power at $2.3 \, \text{kV}$ to a step-down transformer with its primary winding having $3000$ turns. The output power is delivered at $230 \, \text{V}$ by the transformer. The current in the primary of the transformer is $5 \, \text{A}$ , and its efficiency is $90\%$ . The winding of the transformer is made of copper. The output current of the transformer is:

A
$45 \, \text{A}$
B
$50 \, \text{A}$
C
$60 \, \text{A}$
D
$55 \, \text{A}$

Accepted Answer

A. $$45 \, 	ext{A}$$

Answer

B. $$50 \, 	ext{A}$$

Answer

C. $$60 \, 	ext{A}$$

Answer

D. $$55 \, 	ext{A}$$

Answer & step-by-step solution

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