USING TRANSFORMERS TO CHANGE VOLTAGES
1 mark · EasyState whether a transformer can be used with direct current (d.c.).
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No
Also accept: No, transformers cannot be used with d.c.; No, a transformer only works with a.c.
Common mistakes: Yes
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Marking points
B1 · 1 mark · States that a transformer cannot be used with direct current (d.c.).
Worked solution
No, a transformer cannot be used with a d.c. supply.