4.7.3.2 Uses of the generator effect (HT only)

Spec reference: 4.7.3.2 (physics only) (HT only).

Triple-only content in this dot

• Alternator generates ac; dynamo generates dc.
• Interpret potential-difference vs time graphs.

Exam quick-check

• Can I identify this as a triple-only point from wording in the question?
• Can I apply the correct equation/idea with units and a clear conclusion?