मराठी

Which one of the following is not the advantage of LED? -

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प्रश्न

Which one of the following is not the advantage of LED?

पर्याय

  • Long life and ruggedness.

  • Fast action and no warm up time is required.

  • Frequency can be easily changed.

  • It emits lights of different colours.

MCQ

उत्तर

Frequency can be easily changed.

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