Question

Two wires made of the same metal and of the same length are connected across the same voltage. If one wire has three times the radius of the other, what is the ratio of currents, large wire to small wire? Select one: a. 1/3 b. 1/9 c. 9/1 d. 3/1

Name: two wires made of the same metal and of the same length are connected across the same voltage if one wire has three times the radius of the other what is the ratio of currents large wire to 22326
Uploaded: 2021-09-28T05:16:18-08:00
Duration: 1 min 17 s
Channel: Mahipal Kumawat
Description: two wires made of the same metal and of the same length are connected across the same voltage if one wire has three times the radius of the other what is the ratio of currents large wire to 22326

          Two wires made of the same metal and of the same length are connected across the same voltage. If one wire has three times the radius of the other, what is the ratio of currents, large wire to small wire?
Select one:
a. 1/3
b. 1/9
c. 9/1
d. 3/1

two wires made of the same metal and of the same length are connected across the same voltage if one wire has three times the radius of the other what is the ratio of currents large wire to 22326

Added by Kaitlin W.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Mahipal Kumawat

09/28/2021

Step 1

We are given that $R_1 = 3R_2$. The resistance of a wire is given by $R = \frac{\rho L}{A}$, where $\rho$ is the resistivity, $L$ is the length, and $A$ is the cross-sectional area. Since the wires are made of the same metal and have the same length, their Show more…

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Two wires made of the same metal and of the same length are connected across the same voltage. If one wire has three times the radius of the other, what is the ratio of currents, large wire to small wire? Select one: a. 1/3 b. 1/9 c. 9/1 d. 3/1