在输入、输出的理想差分放大电路中,若两个输入电压 u i 1 = u i 2 ,则输出电压 u O =( ) 。若 u i 1 = +50mV , u i 2 = +10mV,则可知该差动放大电路的共模输入信号 u i c =( ) ; 差模输入电压 i d =( ) ,因此分在 两输入端的一对差模输入信号为 u i d 1 =( ) , u i d 2 =( ) 。
【单选题】Which of the following circumstances would result in a decrease in income under the accrual basis but would not result in a decrease in income under the cash basis?
A.
Purchase of inventory on account
B.
Payment of 2 months' rent in advance
C.
The expiration of prepaid rent
D.
The return of defective inventory purchased on account, where full credit was given