Power Electronics
A Triac has three terminals viz ___________

Two main terminal and a gate terminal
Drain, source, gate
Cathode, anode, gate
None of these

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Power Electronics
In forward blocking mode of a thyristor

  junction J3 is in forward bias and J1, J2 is in reverse bias.
  Junction J1 and J2 is in forward bias and J3 is in reverse bias.
  Junction J1, J3 is in reverse bias and J2 is in forward bias.
  junction J2 is in reverse bias and J1, J3 is in forward bias.

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