Electricity

Question 1

Ohm’s Law

Answer 1

V = IR

Question 2

What is electrical potential?

Answer 2

Voltage

Question 3

In which way do electrons move in a circuit?

Answer 3

Positive to negative

Question 4

Unit of electric current

Answer 4

Ampere (A)

Question 5

Unit of electric charge

Answer 5

Coulomb (C)

Question 6

Electric current formula

Answer 6

I = Q/t
Q = Quantity of charge (Coulombs)
t = Time (Seconds)
I = Current (Coulombs per second or Ampere)

Question 7

Electric current definition

Answer 7

The rate of electron flow (electric charge) past a given point in a circuit, every second.

Question 8

Resistor

Answer 8

A material/device that resists the flow of electrons (current).

Question 9

Insulator

Answer 9

A material/device that does not allow electrons to go through.

Question 10

Conductor

Answer 10

A material/device that allows electrons to flow through easily.

Question 11

Subatomic particles

Answer 11

• Protons
• Neutrons
• Electrons

Question 12

Series Circuit

Answer 12

An electrical circuit in which the electrons have only one path to follow.

Question 13

Parallel Circuit

Answer 13

An electrical circuit in which the electrons have more than one path to follow.

Question 14

Kinetic Energy

Answer 14

Energy in motion

Ex. Wind mill, ocean current, rolling object

Question 15

Potential Energy

Answer 15

Stored Energy

Ex. Sugar

Question 16

Energy

Answer 16

The ability to do work

Question 17

Quantity of charge formula

Answer 17

Q = It
I = Current 
T = time

Question 18

Voltage in a parallel circuit

Answer 18

V Total = V1 = V2 = V3 = V4

Question 19

Current in a parallel circuit

Answer 19

I total = I1 + I2 + I3 + I4

Question 20

Current in a series circuit

Answer 20

I Total = I1 + I2 + I3 + I4

Question 21

Resistance in a series circuit

Answer 21

R Total = R1 + R2 + R3 + R4

Question 22

Voltage in a series circuit

Answer 22

V Total = V1 + V2 + V3 + V4