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Electronic Principles - Section 1 Multiple Questions and Answers.
| 32. | What form of energy is used for creating static electricity? | ||
| A. | Solar energy | ||
| B. | Mechanical energy | ||
| C. | Chemical energy | ||
| D. | Light energy | ||
| 33. | Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? | ||
| A. | 0.17 V | ||
| B. | 10.17 V | ||
| C. | 20 V | ||
| D. | 18.8 V | ||
| 34. | A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? | ||
| A. | 3.75 mA | ||
| B. | 3.2 mA | ||
| C. | 0.05 mA | ||
| D. | 13 mA | ||
| 35. | A dielectric material is: | ||
| A. | a good conductor | ||
| B. | a good insulator | ||
| C. | a poor conductor of electrostatic fields | ||
| D. | a good conductor of magnetic fields | ||
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