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triggering

GATE Electrical Engineering · Devices · 1994-2007

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2007 PYQ

A $$1:1$$ pulse transformer $$(PT)$$ is used to trigger the $$SCR$$ in the adjacent figure. The $$SCR$$ is rated at $$1.5$$ $$kV$$, $$250$$ $$A$$ with $${{\rm I}_L} = 250\,mA,\,\,{...

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1994 PYQ

A triac can be triggered by a gate pulse of __________ polarity

easy