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Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 1010 per cm3. Take μe = 1500 cm2/V-sec, μh = 500 cm2/V-sec at room temperature,
  • a)
    5.12 x 10-16
  • b)
    5 x 10+16
  • c)
    1016
  • d)
    5 x 1020
Correct answer is option 'A'. Can you explain this answer?
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Calculate the conductivity of pure silicon at room temperature when th...
σi = (μe + μn) . e . ni .
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Calculate the conductivity of pure silicon at room temperature when th...
Given:
- Concentration of carriers (n) = 1.6 x 10^10 per cm^3
- Mobility of electrons (μe) = 1500 cm^2/V-sec
- Mobility of holes (μh) = 500 cm^2/V-sec

To calculate: Conductivity of pure silicon at room temperature

Formula:
- Conductivity (σ) = q * n * (μe + μh)
where,
- q = charge of an electron = 1.6 x 10^-19 C

Calculation:
- q = 1.6 x 10^-19 C
- σ = q * n * (μe + μh)
- σ = 1.6 x 10^-19 C * 1.6 x 10^10 per cm^3 * (1500 + 500) cm^2/V-sec
- σ = 5.12 x 10^-16 (ohm-cm)^-1

Therefore, the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 10^10 per cm^3 is 5.12 x 10^-16 (ohm-cm)^-1 , which is option A.
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Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 1010 per cm3. Take μe = 1500 cm2/V-sec, μh = 500 cm2/V-sec at room temperature,a)5.12 x 10-16b)5 x 10+16c)1016d)5 x 1020Correct answer is option 'A'. Can you explain this answer?
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