皮皮学，免费搜题
登录
搜题
【简答题】
如 图所示,线圈abcd自由下落进入匀强磁场中,则当只有 bd 边进入磁场时,线圈中 感应电流,当整个线圈进入磁场中,线圈中 感应电流。(填“有”或“没有”)。
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
【单选题】Dorothy worked alongside him, in the beginning, unitil he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowers, and the housework.
A.
gave up
B.
offered
C.
took
D.
reconsidered
【单选题】Dorothy worked alongside him, in the beginning, until he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowers, and the housework.
A.
give up
B.
offered
C.
took
D.
reconsidered
【单选题】Dorothy worked alongside him, in the beginning, until he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowerers, and the housework.
A.
gave up
B.
offered
C.
took
D.
reconsidered
【单选题】Dorothy worked alongside him, in the beginning, until he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowers, and the housework.
A.
gave up
B.
offered
C.
took
D.
reconsidered
【判断题】视频驱动（Video Drive，简称VD）方式是指摄像机将视频信号电平输出到自动光圈镜头的内部，再由其内部的驱动电路输出控制电压使镜头的光圈调整电机转动。视频驱动自动光圈接口使用3个针：电源正、视频、接地。
A.
正确
B.
错误
相关题目：