Name:
Period:
Circuits - Circuit Analysis
58. In the electric circuir diagram below, possibie loca*
tiorrs of'an ammeter and a voltmeter are indicated by
circles L,2,3,and4.
Where should an ammeter be located to correctly measure the total current and where shouid a
voltmeter be located to correctly measure the total
Itaqei
ammeter at 1 irnd voltmeter at 4
2. an)meter at 2 and voltmeter at 3
J.
xmmeter at 3 and yoltmeter at 4
4. anlmeter at 1 and voltmeter at 2
59.
What rnust be inserted befween points A and B to
esrabiish a steady electric current in the incomplete
circuit represented in the diagram below?
i4..
magnetic field source
source ofpotential difference
3"0
ft
What is the equivalent resistance of this part of the
circuitl
i. 4.67 a
2. 1.5 C)
4.
{
-Lo(
,* 1'
3
4. 3/Xo
switch
voltmeter
60. The diagram below represents part ofan electric
cir:cuit containing three resistors.
3.
62. thrce identical lamps arc connected in parallel r,r,ith
each other. If the resistance of each lamp is X ohms,
what is the equivalent resistance of this parallcl
"i"
A xrl
xna
tg
3. 3XO {}"-
H
2.
3.
What is the elTect of increasing the resistancc of the
variable resistor from 1000 e to 10000 e?
[Assume
constant temperaturc.l
1. The ammetcr reading dccreases.
2. The ammetcr reading increases.
3. 'Ihe voltmcter reading dccreases.
1. The voltmetcr reading increases.
combinationl
AB
1"
61. Tire diagram below represents a simple r:ircuit consisting of a variable resistor, a baftery, an ammetel
and a voltmeter
6.3 ()
19CI
APlusPhysics: Circuits- Circuit Analysis
63. A 3-ohm resistor and a 6-ohm resistor are connected
in series in an operating electric circuit. Ifthe current through the 3-ohm resistor is 4 amperes, what is
the potential difference across the 6-ohm resistor?
7. 8.0 V
2. 2.0V
h
a
12v
24v
64. Circuit A has four 3-ohm resistors connected in
series r,vith a24-voltbattery,and circuit B has two
3-ohm resistors connected in serics with a 24^volt
battery. Compared to the total potential drop across
circuit A, the total potcntial drop across circuit B is
1" one-halfas grcat
2
3.
4.
CIR.82
rwice as great
the same
four times
as
grcat
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