Documents Accident Prevention Automatic Door

ABSTRACT Abstract: This is a system in which the door is closed or opens automatically. This is based on movement sensor. When somebody reaches the door, the sensor senses…

Documents PHY 202 (Blum)1 Alternating Current: Modulation and Transformers.

Slide 1 PHY 202 (Blum)1 Alternating Current: Modulation and Transformers Slide 2 PHY 202 (Blum)2 DC In direct current (DC), the charge carriers (usually electrons) flow in…

Documents Alternating Current: Modulation and Transformers

Alternating Current: Modulation and Transformers DC In direct current (DC), the charge carriers (usually electrons) flow in one direction only. The size of the current (number…