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Thyristors and Tranducers - Technical MCQs

Q1:

The silicon-controlled rectifier (SCR) is a three-layer device consisting of a gate, an anode, and a cathode.

A True

B False

ANS:B - False

A silicon-controlled rectifier (or semiconductor-controlled rectifier) is a four-layer solid state device that controls current. The name "silicon controlled rectifier" or SCR is General Electric's trade name for a type of thyristor. The SCR was developed by a team of power engineers led by Gordon Hall and commercialized by Frank W. "Bill" Gutzwiller in 1957.