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A semiconductor has an electron concentration of 8×1013 per cmand a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1 
 and the hole mobility is 100 cm2 V. s−1 . Then,
  • a)
    The semiconductor is n-type
  • b)
    The conductivity is 320 m mho cm−1
  • c)
    Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A semiconductor has an electron concentration of 8×1013 per cm3a...
To fully answer your question, I need more information. The electron concentration of a semiconductor refers to the number of free electrons present in the material. This value is typically given in units of carriers per cubic centimeter (cm^-3).

However, you have only provided the number 8, which does not have any units associated with it. Without knowing the units, it is difficult to determine the electron concentration. Please provide the proper units for the electron concentration, and I will be able to help you further.
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A semiconductor has an electron concentration of 8×1013 per cm3and a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1and the hole mobility is 100 cm2 V. s−1. Then,a)The semiconductor is n-typeb)The conductivity is 320 m mho cm−1c)Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
Question Description
A semiconductor has an electron concentration of 8×1013 per cm3and a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1and the hole mobility is 100 cm2 V. s−1. Then,a)The semiconductor is n-typeb)The conductivity is 320 m mho cm−1c)Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A semiconductor has an electron concentration of 8×1013 per cm3and a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1and the hole mobility is 100 cm2 V. s−1. Then,a)The semiconductor is n-typeb)The conductivity is 320 m mho cm−1c)Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A semiconductor has an electron concentration of 8×1013 per cm3and a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1and the hole mobility is 100 cm2 V. s−1. Then,a)The semiconductor is n-typeb)The conductivity is 320 m mho cm−1c)Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Solutions for A semiconductor has an electron concentration of 8×1013 per cm3and a hole concentration of 5 x 1012 per cm3. The electron mobility is 25000 cm2 V−1 s−1and the hole mobility is 100 cm2 V. s−1. Then,a)The semiconductor is n-typeb)The conductivity is 320 m mho cm−1c)Both (the semiconductor is n-type) and (the conductivity is 320 m mho cm−1d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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