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一、电能表铭牌例1小明家的电能表盘如图1所示.室内安装了60 W的电灯6盏,100 W的电视机一台,120 W的电冰箱一台,1500 W的电热水器一台.(1)电能表盘上有一些描述其性能的参数,请说出其中两种参数的含义.(2)试通过计算判断:小明家的用电器能否同时使用?(3)小明怀疑他们家最近电费明显在增加是使用年限太久的电热水器造成的,为了证实这一点,他对电热水器的实际功
First, the meter nameplate Example 1 Xiaoming home meter panel as shown in Figure 1. Indoor installation of 60 W 6 lights, 100 W TV sets, a 120 W refrigerator, a 1500 W electric water heater Taiwan (1) There are some parameters on the power meter to describe its performance, please give out the meaning of two parameters (2) try to determine by calculation: Xiaoming home appliances can be used at the same time? (3) Recently, the recent increase in electricity bill was caused by the long service life of the electric water heater. To confirm this, his actual work on the electric water heater