Physics for IGCSE & O level - Magnets And Currents (Section 2 - No. 2)
In a well-designed transformer, what is the relationship between input and output power (neglecting losses)?
Input power is greater than output power.
Input power is less than output power.
Input power equals output power.
Input and output power are unrelated.
Explanation
Input power is nearly equal to output power in ideal conditions.
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