8. The flow of electrons, in an electrical circuit, is from

  A. negative to positive terminals

  B. from positive to negative terminals

  C. alternate from positive to negative terminals

  D. None of the above. They just vibrate back and forth

9.  An AC voltage of 20 V is supplied to a transformer with a five turn input coil. How much voltage will be received from a ten turn output soil?

  A. 10V

  B. 20V

  C. 40V

  D. 200V