Chapter 10 Study
Cell
A single unit is a ____.
The voltage stability and high energy of the mercury system are not critical.
Alkaline Cells are used to power many products where________________.
All types of electrical/electronic consumer devices, both in original equipment and in the replaceable market
Alkaline cells are used in ____.
Specific Gravity
All liquids have a specific weight in relation to an equal volume of water. This is known as _____.
120 or greater ampere-hours
An automobile battery is usually has a rating of
dry cell
Another version of the carbon-zinc cell is the ____.
Negative plates
Cadmium salt solutions are used for the ______.
electrodes
Carbon and zinc elements are called _____
Chemical Action
Cell or battery is an example of what?
no
Do storage batteries store electricity?
Magnetism
Generator is an example of what?
It continues to flow as long as there is chemical action
How long will a current flow?
1.40V
How much volts does Mercuric Oxide have?
1.35V
How much volts does Pure Mercuric Oxide have?
current will flow.
If a wire is connected between the carbon rod and zinc plate, a ______.
load
In order to test a battery it must be placed under a ___.
electroscope
Laboratory device used to detect a small electrical charge.
motorcycles, lawn equipment, and marine applications
Lead-acid batteries are also used in.
Laptop Computers
Lithium-Ion Cells are becoming more widely used in ______.
Prevent and reduce evaporation of the electrolyte and, therefore, need little to no maintenance.
Maintenance-Free batteries are better sealed to ____.
0.005 to 3.0 cubic inches
Mercury cells are available in sizes ranging from _____.
high output energy at a stable voltage
Mercury cells are designed to provide what?
Flat cells, Cylindrical cells, and wound anode cells
Mercury cells come in three basic packages.
many types of cordless home appliances like razors, radios, small power tools, and flashlights.
Nickel-cadmium (NiCd) are used in ____________.
laptop computers, audio/visual equipment, and cordless appliances.
Nickel-metal hydride (Ni-MH) cells have often been used in _____.
Nickel-cadmium
Nickel-metal hydride cells have all but replaced the ___ cell or battery.
sintering (heating) powdered nickel into a nickel wire screen.
Plates or electrodes are made by _____.
True
Specific Gravity of a liquid electrolyte is measured with a hydrometer
Friction
Static electric charge is an example of what?
A potential difference
Suspend a carbon rod i the same acid solution with pieces of zinc. A test of the carbon reveals it is positively charged. what has been created?
clean and tight
Terminals and connections should be kept _____, however, or battery life can be shortened.
electrolyte
The acid solution is known as ____.
Ampere-hours
The capacity of a battery is rated in
False
The capacity of a battery is rated in ampere-volts
It creates a potential difference (voltage) of about 1.5 V. After the chemical action has been used up, the cell is dead and voltage drops to near 0 volts.
The container is filled with a moist paste of manganese dioxide, carbon, and electrolyte. The double chemical reaction during discharge of the cell produces free electrons that make the zinc container the negative terminal and the center carbon electrode positive. Why is it constructed in this manner?
The greater the battery capacity needed
The larger the engine that needs to be started, ______
Car battery
The lead-acid storage battery is typically called a _____.
The cell is said to be polarized
The voltage of the cell drops as a result of this undesirable action.
True
The voltage output of a lead-acid storage cell is about 2 volts
Pure mercuric oxide and Mercuric oxide with a small fraction of manganese dioxide
These cells are made in two general types
electric current to flow through a circuit
This difference in potential is necessary to cause an _______.
True
Two or more cells connected can be referred to as a battery
Nickel-cadmium, nickel-metal hydride, lithium-ion, and the lead-acid storage cell.
What are common secondary cells?
Secondary cells
What are known as the rechargeable cells?
Electronic products ranging from watches, smoke alarms, and cardiac pacemakers.
What are mercury cells used in?
carbon-zinc, mercury, and alkaline cells.
What are the more common types of primary cells.
Chemical Action, Magnetism, Friction, Heat, Light, and Pressure
What are the six sources of electricity?
A secondary cell
What is a cell that can be recharged
A primary cell
What is a cell that cannot be recharged?
2V
What is the terminal voltage of a lead-acid cell.
a difference in potential between two pointds
What is voltage caused by?
The voltage of one cell times the number of cells. (E x N =E)
When cells are connected in series the final voltage is equal to
Close to that of water
When discharged, what is the specific gravity of the electrolyte in a lead-cell?
a battery
When two or more cells are connected together, they are known as _____.
Force
Which of the following is not a source of electricity?
Voltage
Which of the following is the term for a difference in potential between two electrical point?
Alessandro Volta
Who discovered the voltaic cell?
Primary Cells
_____ are by definition non-rechargeable cells.
toxic
cadmium is a ____ material that must be handled carefully
Light
photovoltaic or solar cells is an example of what?
Pressure
piezoelectric effect, found in crystalline materials such as quartz is an example of what?
Heat
thermocouple is an example of what?
Mercury oxide cathode, a zinc anode, and an alkaline electrolyte
what basic chemicals are used in the production of mercury cells?
flashlights, portable radios, and various other consumer devices.
what is the dry cell used in?