True/FalseEasy2 marks
A fuse is rated 5 A. Can it be used with a geyser rated 1540 W, 220 V? Write Yes or No. Give supporting calculations to justify your answer.
Topic: Fuse rating
Question wording verified against source paper
Answer
Exam answer
No.
Explanation
The geyser current is I = P/V = 1540/220 = 7 A. A 5 A fuse would melt during normal operation.
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