Q. LASCR stands for

A
Light Activated System Controlled Rectifier
B
Light Activated Silicon Controlled Rectifier
C
Light Activated System Common Rectifier
D
Light Advanced System Controlled Rectifier
Solution:

A light activated silicon controlled rectifier (LASCR) is a silicon controlled rectifier (Thyristor) that conducts when the gate is exposed to light. The gate still operates as a normal gate in a SCR, but is in many cases left disconnected. LASCR is a unidirectional device that conducts current in only direction.

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