A.-3V B.-1V
C.1V D.4V
5.如题5图所示,有两个同轴的相互平行的圆线圈,在它们彼此靠
近的过程中,它们之间的互感系数( )
A.增大
B.减小
[上一页] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [下一页]
A.-3V B.-1V
C.1V D.4V
5.如题5图所示,有两个同轴的相互平行的圆线圈,在它们彼此靠
近的过程中,它们之间的互感系数( )
A.增大
B.减小
[上一页] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [下一页]