The electric field always points in
the direction from higher to lower
potential.
A. True
B. False
se
0%
Fa
l
Tr
ue
0%
The SI unit of current is
Rank
1
2
Responses
3
4
5
6
0%
0%
1
2
0%
0%
3
4
0%
0%
5
6
The SI unit of resistance is (the name,
not the symbol)
Rank
1
2
Responses
3
4
5
6
0%
0%
1
2
0%
0%
3
4
0%
0%
5
6
In metals, moving charges are
A. a combination of
positive and
negative charges
B. positive
C. negative
0%
0%
a
co
m
bi
n
at
io
n
of
ive
ga
t
ne
po
s it
iv
po
sit
i
..
e
0%
When induced, electric fields in a
conductor travel with a speed
approaching that of light.
A. True
B. False
se
0%
Fa
l
Tr
ue
0%
In the presence of an electric field on a
conducting wire, electrons are
accelerated to close to the speed of light
along the conducting wire’s surface.
A. True
B. False
se
0%
Fa
l
Tr
ue
0%
Resistance and Resistivity both have
the ohm as their SI unit of measure.
A. True
B. False
se
0%
Fa
l
Tr
ue
0%
The resistance of every conductor
varies with temperature.
A. True
B. False
se
0%
Fa
l
Tr
ue
0%
Two wires made of pure copper have
different resistances. These wires may
differ in
0%
0%
ve
ab
o
th
e
of
lo
al
no
ne
ft
he
ab
o
at
ur
pe
r
m
te
0%
ve
e
0%
vi
ty
0%
sis
ti
ar
ea
na
l
se
ct
io
le
ng
th
0%
re
length
cross-sectional area
resistivity
temperature
all of the above
none of the above
cr
os
s-
A.
B.
C.
D.
E.
F.
If a 1.50 A current flows through the
leads of an electrical appliance. How
many electrons per second pass
through it ( ____x1018)?
Rank
1
2
Responses
3
4
5
6
0%
1
0%
2
0%
3
0%
4
0%
5
0%
6
If a 1.50 A current flows through the
leads of an electrical appliance. How
long does it take for 7.50 C of charge
to pass through it (in seconds)?
Rank
1
2
Responses
3
4
5
6
0%
1
0%
2
0%
3
0%
4
0%
5
0%
6