If your equipment is from North America then yes you will need an adapter as the Australians use a 230 volt system.
it will but to charge it you will need an adapter to work in diffrent voltage of Australia
I believe they would but Australia uses different electric plug.
For Brazil, you will need a Type N power adapter.
For Chile, you will need a Type L power adapter.
Yes! you need to use a power adapter as well a plug adapter in Egypt from the UK.
For the UK, you will need a Type G plug adapter.
For England, you will need a Type G adapter for your electronic devices.
For Argentina, you will need a Type C or Type I plug adapter.
To use electronic devices in the UK, you will need a Type G adapter.
For Indonesia, you will need a Type C or Type F plug adapter.
You will need a Type C or Type F power adapter for Iceland.