In an experiment, a square aluminium bar of 10.5m long and 15mm width is connected to a 1.5v battery at a room temperature (27C). The current trough its ends is measured before and after immersion in boiling water. Determine :a) The resistance of the bar between its ends before immersion.b) The resistance of the bar between its ends after immersion.c) The electric current through the bar between its ends after immersion. Example 18.8experiment, a U Al bor of Io.5m longand 15 mm width is connected to a 1.5 VIn anbattery at rov m temperature (27°c). TheCurrent through its ends is measured beforeand af ter immersion in boiling water, Determinea) The resistance of the bar between itsends before immersion.6) The resis tance of the bar be tweenits end af ter immersiOn.CIThe electric eurrent throngh thebar between its ends afterimmersionthe resistivity and temperatureco e Fficient of reeistivity for9l umininm are respectively- 830ps 2.82x10 sîm,sem, a= 3.9x10

Given Voltage V =1.5 V Length l= 10.5 m Width w =15 mm Resistivity ρ =2.82×10-8 Ώ m Temperature…

Answered: In an experiment, a U Al bar of 10.5m…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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In an experiment, a square aluminium bar of 10.5m long and 15mm width is connected to a 1.5v battery at a room temperature (27C). The current trough its ends is measured before and after immersion in boiling water. Determine : a) The resistance of the bar between its ends before immersion. b) The resistance of the bar between its ends after immersion. c) The electric current through the bar between its ends after immersion.

Example 18.8
experiment, a U Al bor of Io.5m long
and 15 mm width is connected to a 1.5 V
In an
battery at rov m temperature (27°c). The
Current through its ends is measured before
and af ter immersion in boiling water, Determine
a) The resistance of the bar between its
ends before immersion.
6) The resis tance of the bar be tween
its end af ter immersiOn.
CIThe electric eurrent throngh the
bar between its ends afterimmersion
the resistivity and temperature
co e Fficient of reeistivity for
9l umininm are respectively
- 8
30
ps 2.82x10 sîm,
sem, a= 3.9x10

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