Electric Components

Question 0

………/………../………

Answer 0

Input Process Output

Question 1

An electric current is made up of ??

Answer 1

Negative Electrons

Question 2

Series circuits

Current ??

Answer 2

Same all way round

Question 3

Series Circut

Voltage?

Answer 3

Separate voltages add up to battery voltage

Question 4

Resistance

Ammeter in …….?

Answer 4

Series

Question 5

Resistance

Voltmeter in ……..?

Answer 5

Parallel

Question 6

Resistance is …….. Because the graph is a straight line?

Answer 6

Constant

Question 7

Ohms Law

Answer 7

V=IR

Question 8

The bigger the ……… The lower the current?

Answer 8

Resistance

Question 9

Electric current is a flow of …..?

Answer 9

Electric charges

Question 10

Electrons are small………. Charged particles?

Answer 10

Negatively

Question 11

To get electrons to flow we must have ….?

Answer 11

A complete circuit (no gaps)

Question 12

Electric current is …?

Answer 12

A flow of charge

Question 13

Current is measured in..?

Answer 13

Amperes

Question 14

To use an ammeter

Answer 14

Break the circuit (series)

Question 15

Voltage is the measure of …?

Answer 15

Change of energy across a component

Question 16

Voltage is measured in …?

Answer 16

Volts

Question 17

To use a voltmeter …?

Answer 17

Connect parallel

Question 18

Voltage across parallel components…?

Answer 18

The same

Question 19

Resistance is …?

Answer 19

How much something opposes an electrical component

Question 20

Resistance is measured in …?

Answer 20

Ohms

Question 21

A resistor converts electrical energy to …?

Answer 21

Heat energy

Question 22

An input device changes and transforms…?

Answer 22

One form of energy to an electrical signal

Question 23

LDR?

Answer 23

Light Dependant Resistor

Question 24

A solar cell converts ....?

Answer 24

Light energy to electrical energy

Question 25

When a solar cell is connected in series the voltage increases withe each added cell but the current...?

Answer 25

Stays the same

Question 26

When a solar cell is connected in parallel the voltage stays the same and the current ...?

Answer 26

Gradually increases

Question 27

Parallel | Current?

Answer 27

Splits but adds up to battery current

Question 28

Parallel | Voltage?

Answer 28

Stays the same

Question 29

Input devices detect a form of energy and turns it into ...?

Answer 29

Electricity

Question 30

Output device detects electricity and turn it into

Answer 30

Useful energy

Question 31

An LED only let's current ...?

Answer 31

Flow one way

Question 32

The LED needs...?

Answer 32

A resistor

Question 33

Unlike poles?

Answer 33

Attract

Question 34

Like poles?

Answer 34

Repel

Question 35

Most magnets are made of ..?

Answer 35

Iron

Question 36

The strength of an electromagnet increases if there is a ..

Answer 36

Iron core More coils More voltage across More current through