Question 108 of 249 in Electricity

Electrical power

2 marks · Easy

A halogen desk lamp is rated at 24 V, 1.5 A.

(a)

Calculate the power output of the lamp.

[2 marks]

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36 W (±0.5)

(a) 36 W

Common mistakes: incorrect multiplication

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Marking points

M1 (a) · 1 mark · Substitution into P = IV: P = 24 × 1.5

A1 (a) · 1 mark · Correct final answer: 36 W (allow follow-through from candidate working) (follow-through)

Worked solution

Power, .

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