- Electronic Devices and Circuits - Section 1
- Electronic Devices and Circuits - Section 2
- Electronic Devices and Circuits - Section 3
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- Electronic Devices and Circuits - Section 6
- Electronic Devices and Circuits - Section 7
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- Electronic Devices and Circuits - Section 9
- Electronic Devices and Circuits - Section 10
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- Electronic Devices and Circuits - Section 14
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Electronic Devices and Circuits - Engineering
Q1: If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature thenA both will have equal value of resistivity
B both will have equal -ve resistivity
C resistivity of germanium will be higher than that of silicon
D resistivity of Si will be higher than of germanium
ANS:D - resistivity of Si will be higher than of germanium Since the majority of charge carrier is better in Ge than in Si, for the same concentration of charge carriers, the conductivity of Ge is higher than that of Si. |


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