Problems with static electricity
2 marks · NormalA worker is repairing computer equipment. Explain why the worker must avoid wearing clothes made entirely from synthetic materials.
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Synthetic clothes can easily become charged and discharge, creating sparks that could damage sensitive computer components.
Also accept: Synthetic material builds up static charge that can be released as a spark, potentially damaging the equipment.
Common mistakes: Just saying it is dangerous without explaining how or why.; Omitting reference to static charge or electronic damage.
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Marking points
B1 · 1 mark · Mentions that synthetic materials can become charged easily.
B2 · 1 mark · States static charge can discharge as a spark, which can damage computer components.
Worked solution
Synthetic clothes easily become charged by friction. When the charge is released as a spark, it can damage sensitive electronics inside computer equipment.