MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A Thermistor has low resistance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Thermistors provide precise temperature measurements. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
THERMISTORS_PROVIDE_PRECISE_TEMPERATURE_MEASUREMENTS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
A_Thermistor_has_low_resistance.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is /are the purpose/s of adopting stabilization and compensation techniques? |
| A. | To provide maximum bias |
| B. | To provide thermal stabilization |
| C. | To provide maximum bias & thermal stabilization |
| D. | To provide minimum bias |
| Answer» D. To provide minimum bias | |
| 6. |
Generally, the resistance of the thermistor decreases _______ |
| A. | Exponentially with an increase in temperature |
| B. | Linearly with an increase in temperature |
| C. | Linearly with the decrease in temperature |
| D. | Exponentially with the decrease in temperature |
| Answer» B. Linearly with an increase in temperature | |
| 7. |
Which among the below mentioned parameters of transistors is/are likely to get affected or exhibit/s variations due to an increase in temperature? |
| A. | Base-to-Emitter voltage (V<sub>BE</sub>) |
| B. | Current Gain (β<sub>dc</sub>) |
| C. | Base-to-Emitter voltage & Current Gain |
| D. | Forward resistance |
| Answer» D. Forward resistance | |
| 8. |
On which factor/s do/does the values of thermal resistance depend? |
| A. | Size of transistor |
| B. | Type of cooling system |
| C. | Transistor size & cooling system type |
| D. | Number of holes |
| Answer» D. Number of holes | |
| 9. |
Which process plays a crucial role in devising the independency of operating point over the variations in temperature or transistor parameters? |
| A. | Bias stabilization |
| B. | Bias compensation |
| C. | Bias stabilization & compensation |
| D. | NO process |
| Answer» B. Bias compensation | |
| 10. |
Which of the following has a negative temperature coefficient of resistance? |
| A. | Thtermistor |
| B. | capacitor |
| C. | sensistor |
| D. | diode |
| Answer» B. capacitor | |
| 11. |
The compensation technique uses __________ |
| A. | transformers |
| B. | inductors |
| C. | diodes |
| D. | capacitors |
| Answer» D. capacitors | |
| 12. |
Which type of temperature dependent resistor exhibits a positive temperature coefficient of resistivity? |
| A. | Thermistor |
| B. | Sensistor |
| C. | Varistor |
| D. | Photoresistor |
| Answer» C. Varistor | |