Define triggering. List the type of triggering.

Define triggering. List the type of triggering.
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Triggering: Triggering means turning-ON of a device from its OFF-state. 

Types of Triggering: 1) Forward voltage triggering 2) Thermal triggering (Temperature triggering) 3) Radiation triggering (Light triggering) 4) dv/dt triggering 5) Gate triggering (i) D.C. Gate triggering (ii) A.C. Gate triggering (iii) Pulse Gate triggering

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