For an ideal step-down transformer, the quantity which is constant for both the coils is

Question

For an ideal step-down transformer, the quantity which is constant for both the coils is

For an ideal step-down transformer, the quantity which is constant for both the coils is
A. current in the coils
B. voltage across the coils
C. resistance of coils
D. power in the coils

Monjur Alahi

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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 - D
For an ideal step-down transformer, power is constant for both the coils.
i.e., Input power = Output power
`therefore V_(p)I_(p) = V_(s)I_(s)` or `(V_(p))/(V_(s))=(I_(s))/(I_(p))`

4 views Answered 2023-02-05 15:29