If the file ends in .pps , it will open directly in "Slide Show" mode. To edit it, open PowerPoint first and then browse for the file.
محاكاة دارة كهربائية بسيطة للتحكم في محرك كهربائي ... - Facebook If the file ends in
The movement of electric current is compared to a bicycle chain or a water circuit where "charges" (minutes) move in a synchronized, organized loop from the positive pole to the negative pole through the wires. Current Direction: If the file ends in .pps