GATE MT · 2020 · MT
Question 50: Electronic, magnetic and optical properties of materials.
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Question 50
MTNAT2 marksNeeds review
Zone refining of Si results in residual P content of 0.1 parts per billion by weight. The electrical conductivity of this zone refined Si is ______ Ω
·m
(round off to two decimal places).Given:
Avogadro number is
.Density of Si is 2.33 g·cm
.Atomic weight of P is 30.97.
Charge of electron is
A·s.Mobility of electron is 0.2 m
·V
·s
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2020MT
GATE MT 2020 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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