Chapter2-3

Question 1

Current

Answer 1

The flow of electrons

Question 1

Current

Answer 1

The flow of electron

Question 2

Conductor

Answer 2

The ability to absorb/contain electricity

Question 3

Voltage

Answer 3

The driving force that pushes the current

Question 4

Ac

Answer 4

The current move forward and backwards

Question 5

Dc

Answer 5

The current flow in one direction

Question 6

Electron

Answer 6

Negative charged particles

Question 7

Voltmeter

Answer 7

It measure voltage

Question 8

Ammeter

Answer 8

It measure current

Question 9

Ohmic

Answer 9

The resistance is constant

Question 10

Non ohmic

Answer 10

The resistance isn’t constant

Question 11

Energy equation

Answer 11

E=F/q

Question 12

What is matter

Answer 12

Matter is made up of huge numbers of positive and negative charges

Question 13

Can charged particle move through insulator

Answer 13

No

Question 14

Can charge be created or destroyed

Answer 14

No

Question 15

How does charges move from one place to another

Answer 15

It is because of electrostatic charge

Question 16

Like charge does what

Answer 16

Repel

Question 17

Unlike charge does what

Answer 17

Attract

Question 18

Conventional current

Answer 18

It flow from positive to negative

Question 19

Current equation

Answer 19

I=q/t

Question 20

Power equation

Answer 20

P=VI

Question 21

Voltage equation

Answer 21

V=IR

Question 22

What is current units

Answer 22

Amps

Question 23

What is voltage unit

Answer 23

Volts

Question 24

What is power unit

Answer 24

Watts

Question 25

What is resistance unit

Answer 25

Ohms

Question 26

What is energy unit

Answer 26

Joules

Question 27

Parallel circuits

Answer 27

Voltage is constant

Question 28

Series circuit

Answer 28

Current is constant

Question 29

Coulomb law

Answer 29

F=kq1q2/(r)2

Question 30

k in coulomb law

Answer 30

9x(10)9

Question 31

Charge

Answer 31

+ or - 1.602 x (10)-19

Question 32

Electric current is the rate of the transfer of charge

Answer 32

I=q/t

Question 33

Switch

Answer 33

Like a door that open and close to let substance through

Question 34

Cell

Answer 34

DC supply

Question 35

Battery of cells

Answer 35

DC supply but lots

Question 36

Load

Answer 36

Resistor

Question 37

Earth or ground

Answer 37

Upside down T with a wifi wave

Question 38

Internal resistance of cells

Answer 38

Resistance in the DC supply

Question 39

House

Answer 39

240 AC supply

Question 40

The third line on a power is

Answer 40

Neutral/ earth and usually green

Question 41

Fuse

Answer 41

To melt the wire to cut off the current

Question 42

Three pin plug

Answer 42

Brown for active, yellow/green for earth and blue for neutral

Question 43

In series resistance does what

Answer 43

Add up

Question 44

In series voltage does what

Answer 44

Add up

Question 45

In parallel current does what

Answer 45

Add up

Question 46

In parallel resistance does what

Answer 46

Add up 1/R=1/R1 + 1/R2 ...

Question 47

What is a diode

Answer 47

A valve that only allows current to flow only in one direction