. It has been already emphasized that a . c . is ____than d . c.
2023-12-01电气
. It has been already emphasized that a . c . is ____than d . c. at much is which are standard for DC, and on no account should work even of the simplest nature be und taken on live AC apparatus without fully protecting the operator .
A.less fatal
B.much more lethal
C.. safe
D.much lethal
正确答案是B
