190. In a 15 V zener diode, the breakdown mechanism will occur by
A. avalanche mechanism
B. zener mechanism
C. both zener and avalanche mechanism
D. none of the above

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191. A zener diode that has very narrow depletion layer will breakdown by mechanism.
A. avalanche
B. zener
C. both avalanche and zener
D. none of the above

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192. As the junction temperature increases, the voltage breakdown point for avalanche mechanism
A. remains the same
B. decreases
C. increases
D. none of the above

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193. Another name for zener diode is diode.
A. breakdown
B. voltage
C. power
D. current

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194. Zener diodes are generally made of
A. germanium
B. silicon
C. carbon
D. none of the above

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195. For increasing the voltage rating, zeners are connected in
A. parallel
B. series-parallel
C. series
D. none of the above

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196. In a zener voltage regulator, the changes in load current produce changes in
A. external resistance
B. power dissipation
C. both (a) and (b)
D. none of the above

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