Consider a silicon sample at T = 300 K, with a uniform donor density Nd = 5x1016 cm-3illuminated uniformly such that the optical generation rate is Gopt = 1.5 x1020 cm-3s-1 through outthe sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid andignore surface effects. The carrier lifetimes are po = 0.1 and no = 0.5 ?s.The hole concentration at t = 0 and the hole concentration at t = 0.3 andmu;s, respectively, area)1.5x 1013 cm-3 and 7.47 x1011 cm-3b)1.5x 1013 cm-3 and 8.23x1011 cm-3c)7.5x 1013 cm-3 and 3.73x1011 cm-3d)7.5x 1013 cm-3 and 4.12 x1011 cm-3Correct answer is option 'C'. Can you explain this answer?

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Consider a silicon sample at T = 300 K, with a uniform donor density N_d = 5x1016 cm^-3
illuminated uniformly such that the optical generation rate is G_opt = 1.5 x10²⁰ cm^-3s^-1 through out
the sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid and
ignore surface effects. The carrier lifetimes are

_po = 0.1 and

_no = 0.5 ?s.

The hole concentration at t = 0 and the hole concentration at t = 0.3 μs, respectively, are

a)
1.5x 10¹³ cm-3 and 7.47 x10¹¹ cm^-3
b)
1.5x 10¹³ cm-3 and 8.23 x10¹¹ cm^-3
c)
7.5x 10¹³ cm-3 and 3.73 x10¹¹ cm^-3
d)
7.5x 10¹³ cm-3 and 4.12 x10¹¹ cm^-3

Correct answer is option 'C'. Can you explain this answer?

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Consider a silicon sample at T = 300 K, with a uniform donor density Nd = 5x1016 cm-3illuminated uniformly such that the optical generation rate is Gopt = 1.5 x1020 cm-3s-1 through outthe sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid andignore surface effects. The carrier lifetimes are po = 0.1 and no = 0.5 ?s.The hole concentration at t = 0 and the hole concentration at t = 0.3 μs, respectively, area)1.5x 1013 cm-3 and 7.47 x1011 cm-3b)1.5x 1013 cm-3 and 8.23x1011 cm-3c)7.5x 1013 cm-3 and 3.73x1011 cm-3d)7.5x 1013 cm-3 and 4.12 x1011 cm-3Correct answer is option 'C'. Can you explain this answer?

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Consider a silicon sample at T = 300 K, with a uniform donor density Nd = 5x1016 cm-3illuminated uniformly such that the optical generation rate is Gopt = 1.5 x1020 cm-3s-1 through outthe sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid andignore surface effects. The carrier lifetimes are po = 0.1 and no = 0.5 ?s.The hole concentration at t = 0 and the hole concentration at t = 0.3 μs, respectively, area)1.5x 1013 cm-3 and 7.47 x1011 cm-3b)1.5x 1013 cm-3 and 8.23x1011 cm-3c)7.5x 1013 cm-3 and 3.73x1011 cm-3d)7.5x 1013 cm-3 and 4.12 x1011 cm-3Correct answer is option 'C'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Consider a silicon sample at T = 300 K, with a uniform donor density Nd = 5x1016 cm-3illuminated uniformly such that the optical generation rate is Gopt = 1.5 x1020 cm-3s-1 through outthe sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid andignore surface effects. The carrier lifetimes are po = 0.1 and no = 0.5 ?s.The hole concentration at t = 0 and the hole concentration at t = 0.3 μs, respectively, area)1.5x 1013 cm-3 and 7.47 x1011 cm-3b)1.5x 1013 cm-3 and 8.23x1011 cm-3c)7.5x 1013 cm-3 and 3.73x1011 cm-3d)7.5x 1013 cm-3 and 4.12 x1011 cm-3Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider a silicon sample at T = 300 K, with a uniform donor density Nd = 5x1016 cm-3illuminated uniformly such that the optical generation rate is Gopt = 1.5 x1020 cm-3s-1 through outthe sample. The incident radiation is turned off at t = 0. Assume low-level injection to be valid andignore surface effects. The carrier lifetimes are po = 0.1 and no = 0.5 ?s.The hole concentration at t = 0 and the hole concentration at t = 0.3 μs, respectively, area)1.5x 1013 cm-3 and 7.47 x1011 cm-3b)1.5x 1013 cm-3 and 8.23x1011 cm-3c)7.5x 1013 cm-3 and 3.73x1011 cm-3d)7.5x 1013 cm-3 and 4.12 x1011 cm-3Correct answer is option 'C'. Can you explain this answer?.

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