Select the best/correct statement below: Changing the duty cycle from 25% to 50%

Question

Select the best/correct statement below: Changing the duty cycle from 25% to 50% will double the average power dissipated by the LED. The LED will appear twice as bright. Changing the duty cycle from 25% to 50% will double the average power dissipated by the LED. Since the human eye has a non-linear intensity response, the LED will appear more than twice as bright. Changing the duty cycle from 25% to 50% will quadruple the average power dissipated by the LED(P=I^2R). Since the human eye has a non-linear intensity response, the LED will appear more than four tunes as bight. Changing the duty cycle from 25% to 50% will double the average power dissipated by the LED. Since the human eye has a non-linear intensity response, the LED will be brighter, but somewhat less than twice as bright.

Explanation / Answer

ans ) option a

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