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وارد شوید

Physics for IGCSE & O level - Magnets And Currents (Section 9 - No. 36)

If the input voltage of a transformer is 12 V and the output voltage is 24 V, is it a step-up or a step-down transformer?
step-up
step-down
neither
both

توضیح

The output voltage is greater than the input voltage, indicating a step-up transformer.

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