Series and Parallel Circuits
Practice Test
1.
Which pair of options below would result in a greater reading on
V
B
in Figure 23-4?
a.
increase the battery voltage or decrease
R
A
b.
decrease the battery voltage or decrease
R
A
c.
increase the battery voltage or decrease
R
B
d.
decrease the battery voltage or decrease
R
B
Hint
2.
If in Figure 23-6 resistor D were added in parallel to the other resistors, how would the voltages across resistors A and B be affected?
a.
They would both remain the same.
b.
They would both decrease.
c.
They would both increase.
d.
A's would increase; B's would decrease.
Hint
3.
Voltmeters must have __________.
a.
very low resistance
b.
very high voltage
c.
very high currents
d.
very high resistance
Hint
4.
Electrical wiring in homes uses __________ circuits.
a.
parallel
b.
overloaded
c.
voltage
d.
series
Hint