MCQOPTIONS
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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Reverse leakage current in a transistor _______ |
| A. | is affected by light |
| B. | is not affected by light |
| C. | increases with a decrease in pressure |
| D. | decreases with increase in temperature |
| Answer» B. is not affected by light | |
| 2. |
Response time for gas-filled phototubes is _______ |
| A. | zero |
| B. | intermediate |
| C. | fast |
| D. | slow |
| Answer» E. | |
| 3. |
Optocoupler consists of a phototransistor and a led. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
When an open circuited pn junction is illuminated then _________________ |
| A. | resistance increases |
| B. | there is no effect |
| C. | electron hole pairs are formed |
| D. | capacitance increases |
| Answer» D. capacitance increases | |