Education Blogs A student connects the blue coloured LED as shown in the figure. The LED did not glow when switch S is closed. Explain why ? Komal Kohli - February 15, 2023 0 Question 32:A student connects the blue coloured LED as shown in the figure. The LED did not glow when switch S is closed. Explain why ? The correct answer is -LED is reversed biased that is why it is not glowing.