Question

A wire that is 5.4 m long, with a diameter of 2.8 mm has a resistance of 94 $\Omega$. A potential difference of 18 V is applied across the wire. a) What is the current produced in the wire with this setup? Number A b) What is the resistivity of the wire material? Number $\times$10$^{-4}$ $\Omega$m c) What is the rate at which heat is being produced on the wire? Number W

          A wire that is 5.4 m long, with a diameter of 2.8 mm has a resistance of 94 $\Omega$. A potential difference of 18 V is applied across the wire.
a) What is the current produced in the wire with this setup?
Number
A
b) What is the resistivity of the wire material?
Number
$\times$10$^{-4}$ $\Omega$m
c) What is the rate at which heat is being produced on the wire?
Number
W

A wire that is 5.4 m long, with a diameter of 2.8 mm has a resistance of 94 Ω. A potential difference of 18 V is applied across the wire.
a) What is the current produced in the wire with this setup?
Number
A
b) What is the resistivity of the wire material?
Number
×10^-4 Ωm
c) What is the rate at which heat is being produced on the wire?
Number
W

Added by Lisa M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supreeta N

11/20/2023

Step 1

Given diameter = 2.8 mm = 0.0028 m Radius = 0.0028 / 2 = 0.0014 m Cross-sectional area = π * (0.0014)^2 = 6.157 * 10^(-6) m^2 Show more…

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A wire that is 5.4m long, with a diameter of 2.8mm has a resistance of 94Omega . A potential difference of 18V is applied across the wire. a) What is the current produced in the wire with this setup? A b) What is the resistivity of the wire material? x10^(-4)Omega m c) What is the rate at which heat is being produced on the wire? W A wire that is 5.4 m long,with a diameter of 2.8 mm has a resistance of 94 S2.A potential difference of 18 V is applied across the wire. a) What is the current produced in the wire with this setup? Number A b) What is the resistivity of the wire material? Number x10-4 2 m c) What is the rate at which heat is being produced on the wire? Number W