You can expect it to burn out the piece of equipment it's attached to. Maybe not right away, but fast enough.
You equipment probably will generate extra heat. Depend on the equipment's components, some will tolerate the heat, but some don't. Use at your own risk
You'll get .1 extra volts! I wouldn't worry too much about it.
In most cases the voltage is not high enough to operate the 9.5 volt equipment.
If your equipment is from North America then yes you will need an adapter as the Australians use a 230 volt system.
No, the unit might work but the low voltage will cause unit to stop.
That appliance might last longer if you use an eight volt adapter rather than a nine volt adapter.
No, the excessive voltage will destroy the equipment, unless the fuse trips (hopefully) ...
No
No, the voltage from the adapter should match the voltage required by the appliance.
Use a universal adapter.
There are many electronics today that run on 12 volt DC power. The good news for anyone who is traveling is that you can use a 12 volt AC adapter 12 VAC 2A.
No.No.
No, the voltage is too high.
An adapter can be used. Make sure that the adapter that you use is of a capacity that it can produce the amperage that your appliance needs. An adapter too small will burn itself open and will be of no use to anyone. Remember; Watts = Amps x Volts.
The phone will never charge.