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An LED is forward-biased. The diode should be on, but no light is showing. A possible trouble might be

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1. 

An LED is forward-biased. The diode should be on, but no light is showing. A possible trouble might be

[A]. the diode is open.
[B]. the series resistor is too small.
[C]. none. The diode should be off if forward-biased.
[D]. the power supply voltage is too high.

Answer: Option A

Explanation:

No answer description available for this question

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