A Best Way To Crack Gorenment Job Exams

Electronics Engineering Objective Questions { Diode Circuits  }



232. An SCR is turned off by
A. reducing anode voltage to zero
B. reducing gate voltage to zero
C. reverse biasing the gate
D. none of the above
Discuss in Forum

233. An SCR is a solid state equivalent o ftriggered device.
A. voltage
B. current
C. voltage as well as current
D. none of the above
Discuss in Forum

234. In an SCR circuit, the supply voltage is generally ____ that of breakover voltage.
A. equal to
B. less than
C. greater than
D. none of the above
Discuss in Forum

235. When an SCR is turned on, the voltage across it is about
A. zero
B. 10 V
C. 0.1 V
D. 1 V
Discuss in Forum

236. An SCR is made of silicon and not germanium because silicon
A. is inexpensive
B. is mechanically strong
C. has small leakage current
D. is tetravalent
Discuss in Forum

237. An SCR is turned off when
A. anode current is reduced to zero
B. gate voltage is reduced to zero
C. gate is reverse biased
D. none of the above
Discuss in Forum

238. In a SCR circuit, the angle of conduction can be changed by
A. changing anode voltage
B. changing gate voltage
C. reverse biasing the gate
D. none of the above
Discuss in Forum

Page 34 of 36

« 32 33  34  3536 »