题目内容

一圆形线圈在均匀磁场中做下列运动时,那些情况会产生感应电流

A. 沿垂直磁场方向平移
B. 以直径为轴转动,轴跟磁场垂直
C. 沿平行磁场方向平移
D. 以直径为轴转动,轴跟磁场平行

查看答案
更多问题

对于涡旋电场,下列说法不正确的是

A. 涡旋电场对电荷有作用力
B. 涡旋电场由变化的磁场产生
C. 涡旋电场由静止电荷激发
D. 涡旋电场的电力线是闭合的

A meaningful mission statement should address topics such as the organization's

A. form of ownership and methods of financing.
B. self-concept and company philosophy.
C. advertising strategy and distribution plan.
D. tactical plans and contingency plans.

________ are broad, long-term accomplishments an organization wants to achieve.

A. Goals
B. Objectives
C. Directives
D. Agendas

A ________ analysis is used to help companies evaluate their internal strengths and weaknesses, and develop an awareness of external threats and opportunities.

A. WISH
B. SWAMP
C. ASSET
D. SWOT

答案查题题库