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How much 1.0 mm diameter copper wire would it take to equal the resistance of one...

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Physics

How much 1.0 mm diameter copper wire would it take to equal theresistance of one 100 Ω resistor? The resistivity of copper is1.68*10-8 Ωm

b) What would be the current if this wire was connected to a12.0 V battery?

c) How many electrons per second pass by a point on thewire?

d) If this wire was coiled up and submerged in 100 mL of waterat 20oC, how long would it take for the water to boil? CH2O = 4186J/kgC

Answer & Explanation Solved by verified expert
4.0 Ratings (605 Votes)
The resistance of a wire having resistivity length l and area of cross section A is given by 1The given copper wire has a diameter of 10 mm So the area    See Answer
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