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?