Chapter 3: Voltage
MULTIPLE CHOICE
1. _____ is the most common method of producing electrical energy today.
a.
Magnetism
c.
Friction
b.
Chemical cell
d.
Heat
2. Heat can be converted directly to electricity with a device called a ____.
a.
thermocouple
c.
solar cell
b.
photovoltaic cell
d.
generator
3. A ____ contains a positive and a negative electrode separated by an electrolytic solution.
a.
photovoltaic cell
c.
battery
b.
thermocouple
d.
cell
4. Cells that cannot be recharged are called ____.
a.
primary cells
c.
tertiary cells
b.
secondary cells
d.
quarternary cells
5. The ability of a battery to deliver power continuously is expressed in ____.
a.
amperes
c.
ampere-hours
b.
hours
d.
coulombs
6. In a ____ configuration, the positive terminal of the first cell is connected to the negative terminal of
the second cell; the positive terminal of the second cell is connected to the negative terminal of the
third cell, and so on.
a.
parallel
c.
series-opposing
b.
series-parallel
d.
series-aiding
7. In a ____ configuration, all the positive terminals are connected together and all the negative terminals
are connected together.
a.
parallel
c.
series-opposing
b.
series-parallel
d.
series-aiding
8. If both a higher voltage and a higher current are desired, the cells or batteries can be connected in a
____ configuration.
a.
series-resistant
c.
series-opposing
b.
series-parallel
d.
series-aiding
9. When cells or batteries are connected in a ____ configuration, the voltage output remains the same but
the output current available increases.
a.
parallel
c.
series-opposing
b.
series-parallel
d.
series-aiding
10. When cells or batteries are connected in a ____ configuration, the output current remains the same, but
the output voltage increases.
a.
parallel
c.
series-opposing
b.
series-parallel
d.
series-aiding
COMPLETION
1. When electrons flow in one direction then in the opposite direction, the current is called
____________________.
2. The combination of two or more cells forms a(n) ____________________.
3. Potential energy, or voltage, introduced into a circuit is called a(n) ____________________.
SHORT ANSWER
1. Describe how a photovoltaic cell (solar cell) converts light energy to electrical energy.
2. Define voltage rise and voltage drop.
