Series and Parallel Circuits
Practice Test
1.
The equivalent resistance of resistors in parallel can be calculated by __________.
a.
1/
R
= 1/
R
A
+ 1/
R
B
+ 1/
R
C
…
b.
1/
R
= 1/
R
A
x 1/
R
B
x 1/
R
C
…
c.
R
=
R
A
+
R
B
+
R
C
…
d.
R
= 1/
R
A
+ 1/
R
B
+ 1/
R
C
…
Hint
2.
In the river model for an electric circuit, the amount of water flowing through the river each second is the __________.
a.
path
b.
current
c.
power
d.
voltage
Hint
3.
A voltmeter should be connected to a circuit in __________.
a.
short form
b.
parallel
c.
series
d.
series-parallel
Hint
4.
What happens when an electric switch is turned off?
a.
There is a short circuit.
b.
The circuit is broken.
c.
The circuit becomes a series circuit.
d.
A circuit breaker turns off.
Hint
