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

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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

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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

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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

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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

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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

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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

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