Electrical Engineer

Question 1

What uses electricity in ur house

Answer 1

Lights fridge shower computer phone printer iPad wifi charging cables

Question 2

What is the symbol for a switch

Answer 2

Revise symbols

Question 3

Revise

Answer 3

Circits

Question 4

What type of circuit would u use in a Christmas tree

Answer 4

Parrallel because if one breaks the others will stay on

Question 5

What type of circuit do u use in a car light

Answer 5

Parallel because if one breaks the other will stay on

Question 6

What is a conductor

Answer 6

A conductor is a substance that will allow electricity to pass through it

Question 7

What Is an insulator

Answer 7

A substance that does not allow electricity to flow through it

Question 8

What are some matirals that are conductors

Answer 8

Lead foil magnesium iron copper wire graphite

Question 9

What are some insulators

Answer 9

Sulfer wood rubber glass polystyrene polythene leather

Question 10

what is a series circuit

Answer 10

A circuit that is all connected so that if u unscrewed a bulb u would have no light

Question 11

What experiment could we use to test a range of substances to see if they were a conductor

Answer 11

Get a cell attach it to a switch then attach it to a lamp attach the lamp to a crocodile clip. Get another crocodile clip and attach it to the cell. Then hold the substance between the 2 crocodile clips and if the lamp turns on the materials are conductors and if the lamp doesn’t turn on then it is a insulator.

Question 12

What is current

Answer 12

Current is the movement of electricity around the circuit

Question 13

How can current be measured in a circuit

Answer 13

By using an ammeter

Question 14

What happens to the current if u add more cells

Answer 14

The current is higher

Question 15

What happens when u add more bulbs

Answer 15

The current stays the same but the bulbs get dimmer

Question 16

How is energy transformed in a circuit

Answer 16

In a basic circuit the chemical energy in a battery is transformed into electrical energy in the circuit which would then be transformed into light and heat energy

Question 17

What are the components of a 3 pin plug

Answer 17

A blue neutral wire a brown live wire a striped earth wire a fuse and a case

Question 18

In a magnet what is the North Pole

Answer 18

The end of the magnet that seeks north

Question 19

In a magnet what is the south Pole

Answer 19

The south seeking side of the magnet

Question 20

What is the law of magnetism

Answer 20

Like poles repel unlike poles attract

Question 21

What is an experiment to investigate the magnetic field

Answer 21

Put a magnet on top of a piece of paper and put iron filings around it

Question 22

How do u build an electro magnet

Answer 22

By getting an iron nail wrapping it in copper wire and attaching it to a battery

Question 23

Where are electromagnets used

Answer 23

On bells or in scrap yards