电器是我们生活中最常见的用具之一,也是电学学习中的一个重点.在电器内部同一个用电器的工作时间有的不是持续工作的,而是按照一定时间规律周期性工作;有的电器内部不是同一用电器工作,而是不同用电器按照一定要求切换、交替工作.这种规律一般通过坐标系、图像或表格的形式来体现。下面谈谈用电器 Electrical appliances is one of the most common appliances in our life, but also a focus of electrical learning.In the electrical appliances within the same electrical work time is not part of the continuous work, but in accordance with the law of regular work cycle; some appliances Internal is not the same electrical work, but with different electrical appliances in accordance with certain requirements to switch, alternating work.This law generally through the coordinate system, image or form to reflect. Now talk about electrical appliances