Question 1

what charge is on a neutron?

Accepted Answer

0

Answer

+1

Answer

-1

Question 2

what charge is on a proton?

Accepted Answer

+1

Answer

-1

Answer

0

Question 3

what charge is on an electron?

Accepted Answer

-1

Answer

0

Answer

+1

Question 4

what is an ion?

Accepted Answer

a charged atom

Answer

a charged electron

Question 5

what charge does an atom which has gained an electron have?

Accepted Answer

negative

Answer

positive

Question 6

what charge does an atom which has lost an electron have?

Accepted Answer

positive

Answer

negative

Question 7

what do non metals have to do to form an ion?

Accepted Answer

gain an electron / more

Answer

lose an electron / more

Question 8

what do metals have to do to form an ion?

Accepted Answer

lose an electron / more

Question 9

what are the number of electrons like compared to the number of protons in an ATOM?

Accepted Answer

the same

Answer

more

Answer

less

Question 10

what do negatively charged ions have more of?

Accepted Answer

electrons

Answer

protons

Question 11

what do positively charged ions have more of?

Accepted Answer

protons

Answer

electrons

Question 12

what is an electrical insulator?

Accepted Answer

A material which electrical charge cannot flow through freely.

Answer

A material which electrical charge can flow through freely.

Question 13

what is an electrical conductor?

Accepted Answer

A material which electrical charge can flow through freely.

Answer

A material which electrical charge cannot flow through freely.

Question 14

Why can't electrical charge flow through insulators?

Accepted Answer

They have electrons which are free to move and carry charge.

Answer

They don't have electrons which are free to move and carry charge.

Question 15

Why can electrical charge flow through conductors?

Accepted Answer

They have electrons which are free to move and carry charge.

Answer

They don't have electrons which are free to move and carry charge.

Question 16

Why is copper often used to make electrical wires?

Accepted Answer

Copper is an electrical conductor, as well as being malleable and ductile.

Answer

Copper can be drawn into wires

Question 17

What will happen when two like charged objects are placed close together?

Accepted Answer

They will repel

Answer

They will attract

Question 18

What can happen to electrons when objects are rubbed together?

Accepted Answer

Electrons can move from one substance to another.

Answer

They will attract

Answer

A negative charge

Answer

They will repel

Question 19

Which type of materials can become electrically charged?

Accepted Answer

Electrical insulators

Answer

A negative charge

Answer

They will attract

Answer

They will repel

Question 20

What charge will an object have if electrons are rubbed onto it?

Accepted Answer

A negative charge

Answer

They will attract

Answer

They will repel

Question 21

What will happen when two oppositely charged objects are placed close together?

Accepted Answer

They will attract

Answer

They will repel

Question 22

Which is the diagram for a resistor?

Accepted Answer

4

Answer

2

Answer

1

Answer

3

Question 23

Which is the diagram for a switch?

Accepted Answer

1st

Answer

4

Answer

2

Answer

3

Question 24

Which is the diagram for a cell?

Accepted Answer

2

Answer

4

Answer

1

Answer

3

Question 25

Which is the diagram for a battery?

Accepted Answer

3

Answer

2

Answer

1

Answer

4

Question 26

Which is the symbol for wire?

Accepted Answer

4

Answer

2

Answer

1

Answer

3

Question 27

Which is the symbol for bulb?

Accepted Answer

1

Answer

2

Answer

4

Answer

3

Question 28

Which is the symbol for motor?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 29

Which is the symbol for buzzer?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 30

What is charge flow?

Accepted Answer

The flow of electrical charge

Answer

The charge of protons

Answer

The charge of ions

Question 31

What is the symbol and units for current?

Accepted Answer

Symbol = I Units = Amps (A)

Answer

Symbol = Q Units = Coulombs

Question 32

What is the symbol and units for charge flow?

Accepted Answer

Symbol = Q Units = Coulombs

Answer

Symbol = I Units = Amps (A)

Question 33

What is current?

Accepted Answer

The rate (how much a quantity changes over time) of flow of charge.

Answer

The rate (how much a quantity changes over time) of flow of time.

Question 34

Charge =

Accepted Answer

Current x time

Answer

Current / time

Question 35

Current =

Accepted Answer

Charge / time

Answer

Charge x time

Question 36

In which direction do charges flow?

Accepted Answer

Negative to positive

Answer

Positive to negative

Question 37

What happens to the current if a circuit is broken?

Accepted Answer

Current cannot flow through the circuit if the circuit is not complete.

Answer

Current can flow through the circuit if the circuit is not complete.

Question 38

What happens to the current if we add another component?

Accepted Answer

It decreases

Answer

It Increases

Question 39

What piece of equipment is used to measure current?

Accepted Answer

Ammeter

Answer

The same

Answer

It decreases

Answer

It increases

Question 40

Is current the same or different at any point in the circuit?

Accepted Answer

The same

Answer

It increases

Answer

It decreases

Question 41

What happens to the current if we add another cell?

Accepted Answer

It Increases

Answer

It decreases

Question 42

What is the symbol for an ammeter?

Accepted Answer

A circle with an A in it

Answer

A circle with a V in it

Question 43

What is a parallel circuit like?

Accepted Answer

The components are connected in several different paths

Answer

The components are connected to end to end to each other

Question 44

What is a series circuit like?

Accepted Answer

The components are connected to end to end to each other

Answer

The components are connected in several different paths

Question 45

How does the current flow in a parallel circuit?

Accepted Answer

The current divides into more than one path

Answer

The current flows in one continuous path

Question 46

How does the current flow in a series circuit?

Accepted Answer

The current flows in one continuous path

Answer

The current divides into more than one path

Question 47

What happens if one component breaks in a parallel circuit?

Accepted Answer

The rest of the components keep working

Answer

The whole circuit stops working.

Question 48

What happens if one component breaks in a series circuit?

Accepted Answer

The whole circuit stops working.

Answer

The rest of the components keep working

Question 49

If you add another bulb to a parallel circuit, how will it affect the brightness of the bulbs in the circuit?

Accepted Answer

Brightness stays the same

Answer

Brightness decreases

Answer

Brightness increases

Question 50

What is the current like in a series circuit?

Accepted Answer

The current is the same across all components

Answer

The current is shared across all components

Answer

Brightness stays the same

Answer

Brightness decreases

Question 51

What is the current like in a parallel circuit?

Accepted Answer

The current is shared across all components

Answer

The current is the same across all components

Answer

Brightness stays the same

Answer

Brightness decreases

Question 52

If you add another bulb to a series circuit, how will it affect the brightness of the bulbs in the circuit?

Accepted Answer

Brightness decreases

Answer

Brightness stays the same

Question 53

What is potential difference?

Accepted Answer

Amount of energy supplied, per unit of charge, to move an electron around a circuit

Answer

Amount of energy supplied to move an electron around a circuit

Question 54

What happens to the energy carried by charges when those charges move through a component?

Accepted Answer

The energy is transferred to the components.

Answer

The energy is transferred to the cells.

Question 55

What is voltage / potential difference measured in?

Accepted Answer

Volts (V)

Answer

Amps (A)

Question 56

What is potential difference like in series circuit?

Accepted Answer

Shared between components in a series circuit

Answer

Same in all components in a series circuit

Question 57

The sum of voltages across components in series is equal to

Accepted Answer

the voltage of the supply

Answer

the voltage of the bulb

Question 58

What device measures voltage across a component?

Accepted Answer

Voltmeter

Answer

Ammeter

Question 59

How must the voltmeter be connected in a circuit?

Accepted Answer

Parallel to the component

Answer

Series to the component

Question 60

Why must a voltmeter be set up in parallel to the component?

Accepted Answer

It is a measure of change of energy across a component so two readings must be taken to work out the difference.

Answer

It is a measure of change of energy across a component so one reading must be taken to work out the difference.

Question 61

What is potential difference like in a parallel circuit?

Accepted Answer

It is equal to that of the battery

Answer

It is shared

Question 62

What is potential difference like in a series circuit?

Accepted Answer

It is shared

Answer

It is equal to that of the battery

Question 63

What is another way of saying potential difference?

Accepted Answer

Voltage

Answer

Voltmeter

Question 64

What is power?

Accepted Answer

The amount of energy transferred in seconds

Answer

The amount of voltage transferred in seconds

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