Physics · Electrical Components
According to Preece's law, the relationship between the fusing current I and the diameter of the wire d is given by which of the following expressions (where k is the fusing constant)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I = kd3/2✓
- 2I = k / d3/2
- 3I = k / d1/2
- 4I = kd2/3
Correct answer
I = kd3/2
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