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Question 4. Sorry how I took the picture other questions show.

lle Edit View History Bookmarks Window Help Student Home Lesson 17-Quiz 3. An aluminum wire having a cross-sectional area of 3.50 x 10m2 carries a current of 4.00 A. The density of aluminum is 2.70 g/cm supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. mm/s 4, 10 points serCP10 17-P010. An electric heater carries a current of 12.0 A when operating at a voltage of 3.30 x 102 v. What is the resistance of the heater? 5. -/10 points SerCP10 17.P.022 If a certain silver wire has a resistance of 8.50 Ω at 37.0°C, what resistance will it have at 62.0°C? 6. -110 points SerCP10 17.P.025 ll metals. For example, one gram of gold can be drawn into a wire 2.15 km long. The density of gold is 19.3 x 10 2.44 x 10-8 2 m. What is the resistance of such a wire at 20.0°c?

Answer 1

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