Urgent Question!!!

Discussion in 'General Electronics Chat' started by darbyrne, Dec 7, 2006.

  1. darbyrne

    Thread Starter New Member

    Dec 7, 2006
    7
    0
    A sine wave completes 4 cycles in 40 ms.

    How many cycles will pass any given point in one second?

    Thanks!!!
     
  2. Dave

    Retired Moderator

    Nov 17, 2003
    6,960
    144
    4 cycles in 40ms = 1 cycle in 10ms

    f = 1/T

    f = 1/10e-3

    f = 100Hz (i.e. 100 cycles every second).

    Dave
     
  3. darbyrne

    Thread Starter New Member

    Dec 7, 2006
    7
    0
    Thanks Dave!
     
Loading...