单项选择题
(接上题)
(3)当RW的滑动端在最上端时,若uI1=10mV,uI2=20mV,则uO =_____mV
A.-100
B.-10
C.0
D.10
E.100
(接上题)
(3)当RW的滑动端在最上端时,若uI1=10mV,uI2=20mV,则uO =_____mV
A.-100
B.-10
C.0
D.10
E.100