Dynamos and transformers test questions - Other

1

What is produced when a magnet moves in a coil of wire?

2

Which of these is an example of a generator?

3

What is the name of the current which reverses direction every half turn?

4

Which of these will increase the size of the voltage induced in a generator?

5

What is mains voltage in the UK?

6

What do transformers change?

7

What is induced in the core of a transformer?

8

What is the name given to a transformer that increases voltage?

9

What voltage is electricity produced at in power stations?

10

How do you calculate electrical power?