Alternating current and direct current
1 mark · EasyA mobile phone battery provides a current of 1.5 A at a voltage of 3.7 V. Calculate the power supplied by the battery.
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5.55 W (±0.05)
Common mistakes: Not multiplying correctly
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Marking points
A1 · 1 mark · Correct numeric answer (5.55 W) with or without unit.
Worked solution