Special Diodes – 109


109. 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 : (a)
Explanation : No answer description available for this question. Let us discuss.
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