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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the capacitive reactance across the point contact diode when compared to normal PN junction diode? |
A. | lower |
B. | higher |
C. | equal |
D. | cannot be determined |
Answer» B. higher | |
2. |
During the manufacture of point contact diode, why is a relatively large current passed from cat whisker to silicon crystal? |
A. | to control the amount of current flow |
B. | to form small region of p type material |
C. | to allow mechanical support for the sections |
D. | to form anode and cathode regions |
Answer» C. to allow mechanical support for the sections | |
3. |
The operating frequencies of the point contact diode is_________ |
A. | 30KHz or above |
B. | 10GHz or above |
C. | 30GHz or above |
D. | 10KHz or above |
Answer» C. 30GHz or above | |