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A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )
  • a)
    43.2%
  • b)
    78.1%
  • c)
    96.3%
  • d)
    54.3%
Correct answer is option 'B'. Can you explain this answer?
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A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm...
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A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm...
The resistivity of the silicon sample can be calculated using the formula:

Resistance = Resistivity * (Length / Area)

In this case, the resistance is given as 10 ohms, the area is 10^(-6) cm^2, and the length is 10 cm.

Therefore, the resistivity can be calculated as:

Resistivity = Resistance * (Area / Length)
= 10 ohms * (10^(-6) cm^2 / 10 cm)
= 10^(-6) ohm * cm

Since the resistivity of silicon is typically around 0.2 ohm * cm, this indicates that the silicon sample has been heavily doped with n-type impurities.
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A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )a)43.2%b)78.1%c)96.3%d)54.3%Correct answer is option 'B'. Can you explain this answer?
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A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )a)43.2%b)78.1%c)96.3%d)54.3%Correct answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )a)43.2%b)78.1%c)96.3%d)54.3%Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )a)43.2%b)78.1%c)96.3%d)54.3%Correct answer is option 'B'. Can you explain this answer?.
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