Chapter 11: Electricity

Question 1

Unit of charge.

Answer 1

Coulomb

Question 2

An atom or molecule in which the charges are aligned so that one side is slightly positive and the other is slightly negative.

Answer 2

Electrically Polarized

Question 3

The flow of electrons.

Answer 3

Electric current

Question 4

Measures the rate of electrical flow.

Answer 4

Ampere

Question 5

The potential energy compares with the quantity of charge.

Answer 5

Voltage

Question 6

The ability of a material to resist the flow of charged particles.

Answer 6

Electrical Resistance

Question 7

Describes the relationship between voltage, current, and resistance.

Answer 7

Ohm’s Law

Question 8

One prong is live, the other prong is neutral. The large, round prong is the ground.

Answer 8

Electric plug

Question 9

Energy flows in one direction

Answer 9

Direct Current

Question 10

Energy flow reversing direction in the circuit.

Answer 10

Alternating Current

Question 11

Any path in which electrons can flow.

Answer 11

Circuit

Question 12

Electrical circuit in which devices are connected so that the same current exists in all of them.

Answer 12

Series Circuit

Question 13

Electrical circuit in which the devices are connected so that the same voltage acts across each one and completes the circuit independently of the others.

Answer 13

Parallel Circuit

Question 14

Circuits that carry more than a safe amount of current.

Answer 14

Overloaded

Question 15

Act as switches. They break the circuit to prevent overloading.

Answer 15

Fuses and circuit breaker

Question 16

The force between two charged particles varies directly as the product of their charges and inversely as the square of the distance between them.

Answer 16

Coulomb’s Law