3. Resistance. A copperwire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when connected to a 3.0 V source? Hint: Solve first for the value of the area of copperwire, then solve the resistance thru the eauation: R = o4. Use Ohm's law to get the value of the current.

3. Resistance. A copperwire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when connected to a 3.0 V source? Hint: Solve first for the value of the area of copperwire, then solve the resistance thru the eauation: R = o4. Use Ohm's law to get the value of the current.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 16PE: A 14-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift...

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3. Resistance. A copperwire is 2.50 m long and has a diameter of 2.5 mm. How
much current will it draw when connected to a 3.0 V source?
Hint: Solve first for the value of the area of copperwire, then solve the resistance
thru the equation: R = p÷. Use Ohm's law to get the value of the current.

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