Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 35, Problem 2PLA
To determine
The charges that would flow in the direction of current.
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True or False: In an electrical direct current, the (+) charges move in the direction of the indicated I, and the (-) charges move opposite I.
15 - chapter27-question13
A certain cylindrical wire carries current. We draw a circle of
is
radius r around its central axis in Figure(a) to determine the
current I within the circle. Figure(b) shows current i as a
function of r2. The vertical scale is set by is is = 4.0 mA, and
the horizontal scale is set by r? = 4.0 mm². What is the
magnitude of the current density? (in A/m²)
%3D
(a)
7² (mm²)
(b)
Option1 Option2 Option3 option4 Option5
201
265
398
452
521
a) O Option4
b) O Option5
c) O Option2
d) O Option1
e) O Option3
i (mA)
Switch S shown in the circuit below has been closed for a long time, and the electric circuit carries a constant current and the power delivered to R₂ is
4.2 W.
5
|71
R₂
S
R₁
C2
Where
C₁ = 5 μF
C₂ = 12 μF
R₁ = 5 k
R₂ = 3 k
a. Find the charge (in mC) on C₁.
b. Now the switch is opened. After long time has passed, by how much has the charge (in mC) on C₂ changed?
Chapter 35 Solutions
Physics Laboratory Manual
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