ELECTRICAL POWER

1 mark · Easy

Which statement best describes why a 100 W bulb is brighter than a 40 W bulb?

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Correct option: It transfers more energy every second.

Common mistakes: It is bigger in size.; It has a higher resistance.

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Marking points

A1 · 1 mark · Selects correct option: It transfers more energy every second.

Worked solution

A 100 W bulb is brighter because it transfers more energy per second than a 40 W bulb.