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Conductors and Insulators

in a intrinsi...

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in a intrinsic semiconductor,band gap is1.2ev then ratio of number of charge carriers at 600 k and 300

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Q. In an intrinsic semiconductor band gap is

1.2 e V

then ratio of number of charge carriers at

600 K

300 K

Q. Which of the following is an example of a direct band gap intrinsic semiconductor?

Q. In an intrinsic semiconductor the energy gap

E_{g}

1.2 e V

. Its hole mobility is much smaller than electron mobility and independent of temperature. What is the ratio between conductivity at

600 K

300 K

? Assume that the temperature dependence of intrinsic carrier concentration

n_{i}

n_{i} = n_{o} e x p (- \frac{E_{g}}{2 k_{B} T})

n_{0}

Q. Which of the following is an example of an indirect band gap intrinsic semiconductor?

Q. Intrinsic semiconductor is electrically neutral. Extrinsic semiconductor having large number of current carriers would be

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