• 2022-06-05
    若r1=10, 执行$display(“current value=%0d=%0h”,r1,r1)正确显示为 ( )。
    A: current value=1010=0a
    B: 10,a
    C: current vale=00001010,a
    D: current vale=10=a
  • D

    内容

    • 0

      The effective value of ac voltage or current is( ) A: The average value of a voltage or current B: DC equal to the AC thermal effect is defined as the effective value of AC C: voltage or current are 0.707 of their amplitudes D: closely related to the frequency of alternating current

    • 1

      已知电阻R1、R2串联在电路中,则电路的总电阻为()。(A)R=R1=R2(B)R=R1+R2(C)R=1/R1+1/R2(D)R=1/R1=1/R2

    • 2

      The value of drain current is always ( ) the value of the short circuit drain current IDSS for a given JFET.

    • 3

      在并联电路中,具有的特点是()。 A: 1/R=(1/R1)+(1/R2)+(1/R3) B: R=R1+R2+R3 C: R=1/(R1R2R3) D: R=R1=R2=R3

    • 4

      两个电阻R1和R2并联后的总电阻R=()。 A: R=R1+R2 B: R=R1×R2 C: 1/R=1/R1+1/R2 D: 1/R=1/(R1+R2)