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"Which of the following is not a trivalent impurity atom?", n-type and p-type semiconductors Multiple Choice Questions (MCQ) with choices indium, boron, gallium, and phosphorous to learn online training courses. Learn semiconductor basics questions and answers with free online certification courses for online engineering programs.
N-type and P-type Semiconductors PDF Download eBook 11
MCQ: Which of the following is not a trivalent impurity atom?
- Boron
- Indium
- Gallium
- Phosphorous
D
MCQ: Emitter current of BJT in case of amplifier circuit is equals to
- collector current + base current
- collector current + base current
- collector current / base current
- (collector current / base current)+1
A
MCQ: If the gate to source voltage in an n-channel depletion MOSFET is made more negative, drain current
- will increase
- will decrease
- become zero
- become infinite
B
MCQ: For germanium, mobility of electrons is
- 1.5
- 1.66
- 2.66
- 3
B
MCQ: Impurity atoms are added to increase number of holes in intrinsic silicon are called
- bivalent impurities
- pentavalent impurities
- trivalent impurities
- divalent impurities
C