Question

A 100 m long copper wire of radius 0.12 mm is connected across a 1.5 V battery. Calculate (a) the resistance of the wire (b) the current passing through it.

Name: a 100 m long copper wire of radius 012 mm is connected across a 15 v battery calculate a the resistance of the wire b the current passing through it 30589
Uploaded: 2022-08-08T17:29:13-08:00
Duration: 1 min 17 s
Channel: Ankur S
Description: a 100 m long copper wire of radius 012 mm is connected across a 15 v battery calculate a the resistance of the wire b the current passing through it 30589

          A 100 m long copper wire of radius 0.12 mm is connected across a
1.5 V battery. Calculate (a) the resistance of the wire (b) the
current passing through it.

Added by Shelly A.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ankur S

08/08/2022

Step 1

72 \times 10^{-8} \, \Omega \cdot m \) \( L = 100 \, m \) \( r = 0.12 \times 10^{-3} \, m \) Calculate the area of the wire: \( A = \pi \times r^2 = \pi \times (0.12 \times 10^{-3})^2 \) Show more…

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A 100 m long copper wire of radius 0.12 mm is connected across a 1.5 V battery. Calculate (a) the resistance of the wire (b) the current passing through it.