TRANSFORMERS AND NATIONAL GRIDS
1 mark · EasyWhat does a step-up transformer do to the voltage of electricity?
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It increases (steps up) the voltage of electricity.
Also accept: Increases voltage; Raises the voltage of the electricity
Common mistakes: Decreases voltage; Reduces current without changing voltage
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Marking points
B1 · 1 mark · States that a step-up transformer increases/steps up the voltage.
Worked solution
A step-up transformer increases the voltage of electricity.