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https://drive.google.com/open?id=1Tfe4bqMbfurH51DFm3z2g5za5fRsjpMqspet2UlFfvc

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Shariman/Fahmy

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skh nurhidayah
sheikh kamal

faiz fikrey

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Question V-I Characteristics

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V0?
12v = 0.7v + 1.8v + v0
V0 = (12-0.7-1.8)
V0 = 9.5v

ID?
I = V/R
I = 9.5/680
I = 0.014

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Question: What is the different between instrinsic and extrinsic semiconductor?
Ans: Intrinsic semiconductor is pure semiconductor with poor conductivity whereas extrinsic semiconductor is with addition of impurities through doping process to increase the number of current carriers with higher conductivity.

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Fahmy

- Define doping ?
- Process to increase the number of current carries (electron or holes) by adding impurities to the intrinsic material
- Two types of impurities :
-n type
- P type

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Question 2- What is the basic difference between conductor and insulators.

Answers : *Conductor - material that easily conducts electrical. Best conductor with one valence electron. Example : gold,silver,gold

*Insulator - material that does not conduct electrical. Example : glass, diamonds, rubber

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Question 1 (Muslimah & shahnur)
Valence electrons is The outermost shell called valence shell and electron at this layer is called valence electron.

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Mohd Sharizaly Zulkefli / nur muhamad syafiq

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Mohd Sharizaly Zulkefli / nur muhamad syafiq

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3. Three best conductive material:-
- copper
- silver
- gold

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Mohd Nizar Kassim / Nor Akmal FoatQ4. What is the most widely used semiconductor?

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Mohd Nizar Kassim / Nor Akmal FoatQ4. What is the most widely used semiconductor?

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- Silicon
- Germanium
- Carbon