Combined Science GCSE
Direct Current (d.c.)
What Direct Current (d.c.) means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of Direct Current (d.c.)
An electric current that flows in one direction only.
Topics that use Direct Current (d.c.)
- Electromagnetic induction (Pearson Edexcel GCSE)
Related terms
- Alternating Current (a.c.)
- Electromagnetic Induction
- National Grid
- Step-down Transformer
- Step-up Transformer
Using Direct Current (d.c.) in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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