O-LevelPhysicsElectricity5054/11 · May/June 2015 · Q311 Mark

When the flash on a camera is used, a charge of 1.5 C flows through the flash-tube in 0.0030 s. The average voltage across the flash-tube is 3600 V. What is the electrical energy supplied to the flash-tube and what is the average power supplied?

A2400 7.2

B2400 800 000

C5400 16.2

D5400 1.8 x 10⁶

✓ Correct answer

D: 5400 1.8 x 10⁶

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2015 Paper 1 Variant 1, question 31.

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