197. A 5 m A change in zener current produces a 50 mV change in zener voltage. What is the zener impedance?
A. 1 SI
B. 0.1 SI
C. 100 SI
D. 10 SI

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198. A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation?
A.3.09%
B.2.87%
C.5.72%
D. none of the above

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199. What is true about the breakdown voltage in a zener diode?
A. It decreases when load current increases
B. It destroys the diode
C. It equals current times the resistance
D. It is approximately constant

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200. Which of these is the best description for a zener diode?
A. zener current
B. zener voltage
C. zener voltage as well as zener current
D. none of the above

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201. A zener voltage regulator is used for load currents
A. high
B. very high
C. moderate
D. small

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202. A zener voltage regulator will cease to act as a voltage regulator if zener current becomes
A. less than load current
B. zero
C. more than load current
D. none of the above

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203. If the doping level is increased, the breakdown voltage of the zener
A. remains the same
B. is increased
C. is decreased
D. none of the above

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