rear window defroster consists of a long, flat wire bonded to the inside surface of the window. When current passes through the wire, it heats up and melts ice and snow on the window. For one window the wire has a total length d = 11.6 m , a width a = 1.8 mm, and a thickness w = 0.11 mm. The resistivity of the metal is ρ = 2.6 × 10^−8Ωm. The wire is connected to the car’s 12.0 V battery. (a) What is the current flowing through the wire? (b) What is the power of the window defroster?
rear window defroster consists of a long, flat wire bonded to the inside surface of the window. When current passes through the wire, it heats up and melts ice and snow on the window. For one window the wire has a total length d = 11.6 m , a width a = 1.8 mm, and a thickness w = 0.11 mm. The resistivity of the metal is ρ = 2.6 × 10^−8Ωm. The wire is connected to the car’s 12.0 V battery. (a) What is the current flowing through the wire? (b) What is the power of the window defroster?
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...
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A rear window defroster consists of a long, flat wire bonded to the inside surface of the window. When current passes through the wire, it heats up and melts ice and snow on the window. For one window the wire has a total length d = 11.6 m , a width a = 1.8 mm, and a thickness w = 0.11 mm. The resistivity of the metal is ρ = 2.6 × 10^−8Ωm. The wire is connected to the car’s 12.0 V battery. (a) What is the current flowing through the wire? (b) What is the power of the window defroster?
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