- 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 10
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- Electronic Devices and Circuits - Section 14
- Electronic Devices and Circuits - Section 15
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Electronic Devices and Circuits - Engineering
Q1: Secondary emission resultsA when temperature of metals is raised to a level above the crystallization temperature
B when metals are subjected to strong magnetic fields
C when light rays fall on the metal surface
D when a high velocity beam of electrons strikes as metal surface
ANS:B - when metals are subjected to strong magnetic fields Definition of Primary emission. |


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