Semiconductor - Semiconductor objective questions and answers
36. For a germanium P-N junction, the barrier potential is nearly.......
A.0.15 V
B.0.3 V
C.0.45 V
D.0.6 V/span>
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B.0.3 V
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37. For a silicon P-N junction, the barrier potential is about
A.0.7 V
B.0.8 V
C.0.9 V
D.1.0 V
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38. In order to obtain a P-type germanium, the germanium should be doped with a ........ impurity
A.Trivalent
B.Tetravalent
C.Pentavalent
D.Any of the above
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39. ......... are immobile.
A.Ions
B.Electrons
C.Holes
D.None of the above
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40. A zener diode is invariably used with
A.Reverse bias
B.Forward bias
C.Zero bias
D.Any of the above
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