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Power Electronics - Engineering

Q1:

The gate lead, in a thyristor is welded to :

A p layer to which anode is connected

B n layer nearest to the anode terminal

C p layer nearest to the cathode terminal

D outside n layer

ANS:B - n layer nearest to the anode terminal

It does not specify here the correct type of thyristor if thyristor is npnp the answer is n nearest to cathode but if pnpn it is p nearest to the cathode.