1. Match List-I with List-II and select the correct answer using the options given below:
List-I (Regions of bipolar transistor in monolithic IC)
List-II (Physical properties)
a. Emitter
1. Moderate resistivity
b. Base
2. Very high resistivity
c. Collector
3. Large size
d. Substrate
4. Very high conductivity
| List-I (Regions of bipolar transistor in monolithic IC) | List-II (Physical properties) |
| a. Emitter | 1. Moderate resistivity |
| b. Base | 2. Very high resistivity |
| c. Collector | 3. Large size |
| d. Substrate | 4. Very high conductivity |
2. A LED is emitting a mean wavelength of λ = 0.90 µm and its spectral half-width ∆λ = 18 nm. What is its relative spectral width?
3. Solid state MASER is an amplifier of type
4. In a MOSFET gate, voltage controls:
5. A combination of two diodes connected in parallel when compared to a single diode can withstand
6. The drain-source voltage at which drain current becomes nearly constant, is called
7. The circuit with a fixed emitter current is called
8. In which of the following materials does conduction happen due to thermal excitation or crystal defects?
9. The diffusion process in an IC fabrication is done by:
10. Which of the following materials is used in light-emitting diodes?
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