An 18 gauge copper wire (the size usually used for lamp cords), with a diameter of 1.02 mm, carries a constant current of 1.67 A to a 200 W lamp. The free-electron density in the wire is 8.5 * 10^28 per cubic meter. Find (a) the current density and (b) the drift speed.
An 18 gauge copper wire (the size usually used for lamp cords), with a diameter of 1.02 mm, carries a constant current of 1.67 A to a 200 W lamp. The free-electron density in the wire is 8.5 * 10^28 per cubic meter. Find (a) the current density and (b) the drift speed.
Related questions
Question
An 18 gauge copper wire (the size usually used for lamp cords), with a
diameter of 1.02 mm, carries a constant current of 1.67 A to a 200 W
lamp. The free-electron density in the wire is 8.5 * 10^28 per cubic
meter. Find (a) the current density and (b) the drift speed.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
