rosen (arr956) – Homework 06 – Chiu – (58295)
1
This printout should have 23 questions.
Multiplechoice questions may continue on
the next column or page – fnd all choices
beFore answering.
001
(part 1 oF 2) 10.0 points
A battery with an emF oF 13 V and internal
resistance oF 0
.
43 Ω is connected across a load
resistor
R
.
IF the current in the circuit is 2
.
16 A, what
is the value oF
R
? Answer in units oF Ω.
002
(part 2 oF 2) 10.0 points
What power is dissipated in the internal re
sistance oF the battery? Answer in units oF
W.
003
(part 1 oF 2) 10.0 points
±our resistors are connected as shown in
the fgure.
92 V
S
1
c
d
a
b
17 Ω
42 Ω
52 Ω
82 Ω
±ind the resistance between points
a
and
b
.
Answer in units oF Ω.
004
(part 2 oF 2) 10.0 points
What is the current in the 42 Ω resistor?
Answer in units oF A.
005
10.0 points
The Following diagram shows a closed elec
trical circuit. The ammeter in the center oF
the resistive network reads zero amperes.
E
S
1
A
4 Ω
6 Ω
R
x
±ind the electric resistance
R
X
.
1.
R
X
= 9 Ω
.
2.
R
X
= 12 Ω
.
3.
R
X
= 21 Ω
.
4.
R
X
= 18 Ω
.
5.
R
X
= 4 Ω
.
6.
R
X
= 7 Ω
.
7.
R
X
= 24 Ω
.
8.
R
X
= 14 Ω
.
9.
R
X
= 5 Ω
.
10.
R
X
= 17 Ω
.
006
(part 1 oF 3) 10.0 points
Consider a circuit with three identical
bulbs, an ideal battery, and a switch
S
.
Assume the resistance oF each light bulb
remains constant.
V
i
1
i
2
i
3
S
A
B
C
i
0
Leaving
S
open, compare
i
0
,
i
1
, and
i
2
.
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2
1.
i
0
> i
2
> i
1
2.
i
0
> i
1
> i
2
3.
i
0
< i
1
=
i
2
4.
i
0
> i
1
=
i
2
5.
i
0
< i
1
< i
2
6.
i
0
=
i
1
=
i
2
7.
i
1
> i
0
=
i
2
8.
i
0
=
i
2
> i
1
9.
i
0
< i
2
< i
1
10.
i
0
=
i
1
> i
2
007
(part 2 of 3) 10.0 points
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 Spring '08
 Turner
 Physics, Work, Resistor, Electrical resistance, Electrical impedance

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