Ch 16

Question 1

The region around a charged object where the object’s electric force is exerted on other charged objects.

Answer 1

Electrical field

Question 2

A buildup of charges on an object.

Answer 2

Static electricity

Question 3

The law that states that charges are neither created nor destroyed.

Answer 3

Conservation of charge

Question 4

The transfer of electrons from one uncharged object to another uncharged object by rubbing.

Answer 4

Friction

Question 5

. A method of charging an object by allowing electrons to flow from one object to another object through direct contact.

Answer 5

Conduction

Question 6

A method of redistributing the charge on an object by means of the electric field of another object; the objects have no direct contact.

Answer 6

Induction

Question 7

The process through which electrons are attracted to or repelled by an external electric field, causing the electrons to move within their own atoms.

Answer 7

Polarization

Question 8

The loss of static electricity as electric charges transfer from one object to another.

Answer 8

Static discharge

Question 9

The continuous flow of electric charges through a material.

Answer 9

Electric current

Question 10

A complete, unbroken path through which electric charges can flow.

Answer 10

Electric circuit

Question 11

A material that allows electric charges to flow.

Answer 11

Conductor

Question 12

A material that does not easily allow electric charges to flow.

Answer 12

Insulator

Question 13

The difference in electrical potential energy per charge between two places in a circuit.

Answer 13

Voltage

Question 14

The measurement of how difficult it is for charges to flow through an object.

Answer 14

Resistance

Question 15

The law that states that resistance in a circuit is equal to voltage divided by current.

Answer 15

Ohm’s law

Question 16

An electric circuit in which all parts are connected one after another along one path.

Answer 16

Series circuit

Question 17

An electric circuit in which different parts of the circuit are on separate branches.

Answer 17

Parallel circuit

Question 18

The rate at which one form of energy is transformed into another.

Answer 18

Power

Question 19

A connection that allows current to take the path of least resistance.

Answer 19

Short circuit

Question 20

The round prong of a plug that connects any metal pieces in an appliance to the safety grounding wire of a building.

Answer 20

Third prong

Question 21

Allowing charges to flow directly from the circuit into the building’s ground wire and then into Earth in the event of a short circuit.

Answer 21

Grounded

Question 22

A safety device with a thin metal strip that will melt if too much current passes through a circuit.

Answer 22

Fuse

Question 23

A reusable safety switch that breaks the circuit when the current becomes too high.

Answer 23

Circuit breaker

Question 24

The force between charged objects.

Answer 24

Electrical force