how the tester works?

Discussion in 'The Projects Forum' started by bshivappa, May 4, 2013.

  1. bshivappa

    Thread Starter New Member

    May 3, 2013
    1
    0
    how the tester works?why the resistor is added in the circuit of tester ?
     
  2. wayneh

    Expert

    Sep 9, 2010
    12,153
    3,059
    What tester are you asking about?
     
  3. tubeguy

    Well-Known Member

    Nov 3, 2012
    1,157
    197
    I wish I could help, but the batteries in my crystal ball are dead.
     
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