An ideal transformer is connected to a fixed primary RMS voltage. The secondary load resistance is reduced to one-fourth of its original value. Which statements are correct?
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Question

An ideal transformer is connected to a fixed primary RMS voltage. The secondary load resistance is reduced to one-fourth of its original value. Which statements are correct?

G1 Physics · Accepted Answer

Secondary voltage is fixed by turns ratio. Reducing R to R/4 makes load current and power four times. The reflected resistance also becomes one-fourth.