A transformer rated at 10 KW is used to connect a 5KV transmission line to a 250 V circuit. What is the ratio of the turns in the primary and secondar

Question

A transformer rated at 10 KW is used to connect a 5KV transmission line to a 250 V circuit. What is the ratio of the turns in the primary and secondar

A transformer rated at 10 KW is used to connect a 5KV transmission line to a 250 V circuit. What is the ratio of the turns in the primary and secondary windings of the transformer?
A. A. 10
B. B. 15
C. C. 20
D. D. 25

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
the transmission line of 5 KV or 5000 V is to be connected to a 250 V circuit by using the transformer. Thus it is a step down transformer.
`:. (V_p)/(V_s) = (n_p)/(n_s) :. (n_p)/(n_s) = 5000/250 = 20`.

4 views Answered 2023-02-05 15:29