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tances
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Rr : Question
FlG. 27-19 Question2.
R2
and
rank
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ac-19,
2
In
Fig.
27
a
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con5 You are to connect resistors R1 and Rr, with Rr ) R2, to
cording
the individually,
magnitude
the average
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them,
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asists
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and then
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resistors,
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Rank
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those
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into
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-2I, all the capacitors have
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Assume
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(a) In Fig.
27 -21a,,with
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isbatteries
the
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FlG.
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27-19
all
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have
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Question2.
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V. What
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on
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C?
the
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the
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in find
them,
(b)
Is
current
the
through
resistor
R2
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you
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the
)
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Rr Rz and then again
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field along the x axis?
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7 Initially, a single resistor Rl is wired to a battery. Then
previously? (c) Is the equivalent
resistor R2 is added in parallel. Are (a) the potential difference
resistance Rp of R1 and R2 more
across R1 and (b) the current i1 through Rr now more than,
than, less than, or equal to Rt?
less than, or the same as previously? (.) Is the equivalent
10 AfterRptheofswitch
27 -than, less than, or equal to
more
resistance
R1 andrnR2Fig.
FlG.
27-21
Question
point
15 is
(d)closed
a,, there
is R1 6.
and R2 together more
Rr?
Is the on
total
current
through
current
resistance
R.
R1 previously?
through
less ithan,
or equal
to theRlcurrent
through
7than,
resistor
is wired
to a battery.
Then
Initially,
a single
givesinthat
27-23
for(a) the potential difference
current
parallel.
resistor
R2
is added
In
Fig.Are
27 -22, all the resistors have a
8Figure
Res-monster
maze.
four sets
of values
of Rcurrent
andthe
capaci(b)f)the
Rr now
more
i1
through
than,of
across
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(ideal)
have
resistance
batteries
an emf
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and all
tance
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and
ZRo and
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thethe
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you can
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4.0
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2Co,()2Roand
Co, (3) Rs Rp
andof
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you
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find
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and R2
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the
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Which
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27-23
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than, less than, or equal to the current through R1 previously?
T
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8
(a) In Fig. 27 -21a,,with Rr ) R2, is the potential difference
Ouestions
across R2 more than, less than, or equal to that across Rr?
(b) Is the current through resistor R2 more than, less than,
3
Res-monster maze.
In Fig.
27
-22, all the resistors have a
resistance of 4.0 f) and all the (ideal) batteries have an emf of
4.0 V. What is the current through resistor R? (If you can
find the proper loop through this maze, you can answer the
question with a few seconds of mental calculation.)
or equal to that through resistor R1?
onnected in
@
FlG.
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FlG. 27-20 Questions 3 and 4.
T
4
(a) In Fig. 27 -20a,, are resistors R1 and R3 in series? (b) Are
resistors Rr and R2 in parallel? (c) Rank the equivalent resis@
tances of the four circuits shown in Fig. z7-z\,greatest first.
e,
FlG. 27-21
6.
Question
5 You are toFlG.
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resistors
R1
and
27-20 Questions 3 andRr,4. with Rr ) R2, to
first
individually,
a
then Rl
in series,
andto
in parallel.
then
7battery,
is wired
a battery.
Then
Initially, a single resistor
Rank
according
to the
of(b)
current
potential
parallel.
resistor
isarrangements
Are
the
difference
added
4
(a)those
InR2Fig.
27 -20a,,in
resistors
are
R1 (a)
and
R3 amount
in
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Are
greatest
through
the
battery,
first.
(b)
now more
i1 Rank
through
than,
parallel?
across R1
the
current
(c)
resistors
Rrand
and
R2 in
the Rr
equivalent
resistances
of theorfour
circuits
shown
in -2I,
Fig. z7-z\,greatest
(.) capacitors
previously?
Is the first.
less
than,
themaze.
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asFig.
equivalent
6 Cap-monster
27
all the
have
R2 all
more
less
than,
resistance
R1pE,
and
or
equal
a capacitance
6.0
and
the
have
batteries
of to
) emf
5
You areRp
toofof
connect
resistors
R1 than,
and
Rr,
with
Rran
R2,
to
10battery,
V.(d)
What
is the
charge
(If you
onthen
capacitor
C?and
can
find the
R1
and
R2 together
more
Isfirst
the
total
current
through
individually,
aRr?
in series,
in parallel.
then
proper
you to
loop
through
thistoaccording
maze,
question
can
answer
the
R1ofpreviously?
or equal
the current
through
than, less
than,
Rank
arrangements
those
the
amount
current
with a few
ofgreatest
mental first.
calculation.)
through
theseconds
battery,
In Fig.
27 -22, all the resistors have a
8 Res-monster
maze.
(ideal)
have anhave
resistance
f) andIn
allFig.
the 27
batteries
emf of
-2I, all
of 4.0 maze.
6
Cap-monster
the capacitors
a
capacitance
of the
6.0 pE,
(Ifemf
and all
the batteries
have
youofcan
resistor
R?an
4.0
current
through
V. What is
10
V. the
What
is the loop
charge
youcan
on capacitor
C? (Ifyou
can answer
find the the
proper
find
through
this maze,
proper
you cancalculation.)
loop
through
this maze,
answer the question
question
with
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acitors have
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27-22 Question
8.
9 A resistor R1 is wired to a battery, then resistor R2 is added
in series. Are (a) the potential difference across R1 and (b) the
current i1 through Rr now more than, less than, or the same as
previously? (c) Is the equivalent
resistance Rp of R1 and R2 more
than, less than, or equal to Rt?
10 After the switch rn Fig. 27 15 is closed on point a,, there is
current i through resistance R.
Figure 27-23 gives that current for
four sets of values of R and capacitance C: (1) Rs and Co, (2) ZRo and
Co,
(3) Rs and 2Co,()2Roand ZCo.
Which set goes with which curve?
FlG.
27-23 Question
10.
27-22 Question
8.
9 A resistor R1 is wired to a battery, then resistor R2 is added
in series. Are (a) the potential difference across R1 and (b) the
current i1 through Rr now more than, less than, or the same as
previously? (c) Is the equivalent
FlG.and
27-22
Question 8.
R2 more
resistance Rp of R1
than, less than, or equal to Rt?
9 A resistor R1 is wired to a battery, then resistor R2 is added
After
27 rn Fig.difference
(a) switch
in10
Arethe
across R1 and (b) the
series.
the potential
15 is closed
on point
a,, more
there than,
is
less than, or the same as
Rr now
current
i1 through
current i through
previously?
(c) Is theresistance
equivalentR.
Figure 27-23
for
Rpgives
R2 more
resistance
of R1that
andcurrent
four
values
R
sets
of
of
and
capaciless
Rt?
than,
than, or equal to
tance C: (1) Rs and Co, (2) ZRo and
10
After
the switch rn Fig. 27 Co, (3) Rs and 2Co,()2Roand ZCo.
15 is closed on point a,, there is
Which set goes with which curve?
FlG. 27-23 Question 10.
current i through resistance R.
Figure 27-23 gives that current for
four sets of values of R and capacitance C: (1) Rs and Co, (2) ZRo and
Co, (3) Rs and 2Co,()2Roand ZCo.
Which set goes with which curve?
FlG. 27-23 Question 10.