The material of a permanent magnet has-
A. high retentivity, low coercivity
B. low retentivity, low coercivity
C. low retentivity, low coercivity
D. high retentivity, high coercivity
Answer:D
The material of a permanent magnet has-
A. high retentivity, low coercivity B. low retentivity, low coercivity C. low retentivity, low coercivity D. high retentivity, high coercivity