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Which of the following is not a characteristic of LED?

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Which of the following is not a characteristic of LED?

(a) Fast action

(b) High Warm-up time

(c) Low operational voltage

(d) Long life
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Right answer is (b) High Warm-up time

The best explanation: The warm-up time required should be lower so that the lighting action can take place faster. This is one of the advantages LED have over incandescent lamps.
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