Physics for IGCSE & O level - Magnets And Currents (Section 4 - No. 3)
If the number of turns in the primary coil of a transformer is increased, what will happen to the induced voltage?
It will increase.
It will decrease.
It will remain the same.
It will fluctuate.
คำอธิบาย
Increasing the number of turns in the primary coil increases the voltage, provided all the other factors stay the same.