Which one of the following statements is WRON | vedclass

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(C) The correct answer is $C$. $1$. LEDs are highly energy-efficient compared to conventional light sources. $2$. LEDs have a very long operational li

Vedclass · Accepted Answer

Brightness of light emitted by $LED$ cannot be controlled.

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(C) The correct answer is $C$. $1$. LEDs are highly energy-efficient compared to conventional light sources. $2$. LEDs have a very long operational lifespan when manufactured with high quality. $3$. The brightness of light emitted by an $LED$ can be easily controlled by varying the forward current passing through it. Therefore,the statement that it cannot be controlled is incorrect. $4$. The light emitted by LEDs is monochromatic and does not fade over time.

Which one of the following statements is $WRONG$ regarding $LED$?

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