皮皮学，免费搜题
登录
搜题
【多选题】
富兰克林利用莱顿瓶做了大量的静电学实验,他发现两个带有不同性质电荷的带电体,相互接触后可以呈现中性。根据这种相消性和数学上的正负数的概念,把两种不同性质的电荷分别称为“正电”和“负电”,并进一步得出结论( )( )( ) 从而得到了电荷守恒定律。A.
正电和负电在本质上不应有什么差别
B.
摩擦起电过程中，总是形成等量异种电荷
C.
摩擦起电过程中，一方失去的电荷与另一方得到的电荷在数量上相等
D.
摩擦起电没有电荷转移
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】Listen to an audio and decide whether the following five statements are true (T) or false (F). ( ) 1. Recruiters are paid by employers to find talent that the organization doesn't want to find on ...
A.
正确
B.
错误
【简答题】You are the representative of Galanz Corporation. Write a summary of the management mode of your organization to XY Investment Co. to win financial support from it. You may include some information fr...
【单选题】__________ that he refused to help us, there is no reason why we should now help them.
A.
Being seen
B.
See
C.
Seen
D.
Seeing
【简答题】开普勒第三定律可知,卫星围绕地球运动周期的( )与轨道椭球长半径的( )成正比,其比值等于地球引力常数GM的 倒数 .
【单选题】B. Below is a housing guide for students going to London. University accommodation (住所)offices Many university accommodation offices have their own list of registered landlords (房东). Others also provi...
A.
It has more offers from accommodation agencies than Renting.
B.
It gives you personal information about other co-renters.
C.
Their website is designed mainly for students.
D.
there are some good bargains.
相关题目：