MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the normal operating voltage and current for a light-emitting diode? |
| A. | 5 volts and 50 mA |
| B. | 60 volts and 20 mA |
| C. | 0.7 volts and 60 mA |
| D. | 1.7 volts and 20 mA |
| Answer» D. 1.7 volts and 20 mA | |