Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

A student connects the blue coloured LED as shown in the figure. The LED did not glow when switch S is closed. Explain why ?

Question 35 - LED is a heavily doped P-N junction which - teachoo.jpg

 

Answer:

LED is reversed biased that is why it is not glowing.

Remove Ads
Teachoo · Class 12 Explore Class 12
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.