Semiconductor Electronics : Materials, Devices and Simple Circuits
- When a p-n junction diode is reverse biased the flow of current across the junction is mainly due to
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When p-n junction is reverse biased, the flow of current is due to drifting of minority charge carriers across the junction.
Correct Option: B
When p-n junction is reverse biased, the flow of current is due to drifting of minority charge carriers across the junction.
- In the diagram, the input is across the terminals A and C and the output is across B and D. Then the output is
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The given circuit is a circuit of full wave rectifier.
Correct Option: C
The given circuit is a circuit of full wave rectifier.
- When arsenic is added as an impurity to silicon, the resulting material is
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Arsenic contains 5 electrons in its outermost shell. When Arsenic is mixed with silicon there is one electron extra in silicon crystal. Hence, such type of semi conductor is n-type semi conductor.
Correct Option: A
Arsenic contains 5 electrons in its outermost shell. When Arsenic is mixed with silicon there is one electron extra in silicon crystal. Hence, such type of semi conductor is n-type semi conductor.
- Diamond is very hard because
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Diamond is very hard due to large cohesive energy.
Correct Option: B
Diamond is very hard due to large cohesive energy.
- Which one of the following is the weakest kind of bonding in solids
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Vander Waal’s bonding is the weakest bonding in solids.
Correct Option: C
Vander Waal’s bonding is the weakest bonding in solids.
