Silicon Controlled Rectifiers - Study Mode

[#1] An SCR is made of ___________
Correct Answer

(B) Silicon

Explanation

Solution: An SCR (Silicon Controlled Rectifier) is made of silicon . Silicon is the primary semiconductor material used in the fabrication of SCRs due to its favorable electrical properties, including high temperature tolerance, stability, and reliability. SCRs are widely utilized in electronic devices and power control applications for their ability to handle high voltages and currents effectively. Therefore, the correct answer is Option B: Silicon.

[#2] When SCR starts conducting, then ___________ loses all control
Correct Answer

(A) Gate

[#3] An SCR is a ___________ triggered device
Correct Answer

(B) Current

[#4] An SCR can exercise control over ___________ of a.c. supply
Correct Answer

(D) Positive or negative half-cycles

[#5] In the normal operation of an SCR, anode is ___________ w.r.t. cathode
Correct Answer

(C) Positive