Question

What is the advantage of LED over conventional incandescent low power lamps?

• A. Low operational voltage
• B. Fast action
• C. Long life
• D. All of these

Answer 1

The correct option is D All of these

The advantages of LED over conventional incandescent low power lamps are -

$\left(i\right)$ Low operational voltage and less power.

$\left(ii\right)$ Fast action and no warm-up time required.

​​​​​​​$\left(iii\right)$ Long life and ruggedness.

​​​​​​​Hence, option $\left(D\right)$ is the correct answer.