the safe current for the fuse wire of radius r is I , then
Answer (1)
Since your answer is incomplete I'll give you all the possible relations between various factors here and you may use whatever you need.
The formula for resistance is given by (resistivity*length/area)
Voltage is equal to (current*resistance).
Power is (voltage*current)
Hope this was helpful.
The formula for resistance is given by (resistivity*length/area)
Voltage is equal to (current*resistance).
Power is (voltage*current)
Hope this was helpful.
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