Re: powering an apple by a car battery?

[david@uow.edu.au (David Wilson)]

mystix@direct.ca@direct.ca writes:
>A friend of mine hooked up his inverter he bought at Walmart to an oscilloscope
>and found that it outputed square waves. The type that he bought was about
>$90.00CAN. I've seen other inverters at electronics stores for about $300.00CAN.
>I'm presuming those will output true sinewaves, but I'd make sure before
>putting any money down.

They may output pseudo sine waves. Something like:



	--------			--------
	|	|			|	|
	|	|			|	|
	|	|			|	|
--------	--------	--------	--------
			|	|			|	|
			|	|			|	|
			|	|			|	|
			--------			--------

These are better than plain square waves but not as good as real sine waves.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia