Electronics - Diodes and Applications

Exercise :: Diodes and Applications - General Questions

16. 

What is the current through the diode?

A. 1 mA
B. 0.975 mA
C. 0.942 mA
D. 0.0 mA

Answer: Option A

Explanation:

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17. 

Electrons in the outermost orbit or shell of an atom are called

A. free electrons
B. negative ions
C. valence electrons
D. conduction band electrons

Answer: Option C

Explanation:

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18. 

Shunting the ac component away from the load is the task of a:

A. transformer
B. filter
C. regulator
D. rectifier

Answer: Option B

Explanation:

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19. 

A pn junction allows current flow when

A. the p-type material is more positive than the n-type material
B. the n-type material is more positive than the p-type material
C. both the n-type and p-type materials have the same potential
D. there is no potential on the n-type or p-type materials

Answer: Option A

Explanation:

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20. 

What is the current through the zener diode?

mcq11_1011_1.gif

A. 0 mA
B. 7 mA
C. 8.3 mA
D. 13 mA

Answer: Option B

Explanation:

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