Q.

A zener of breakdown voltage VZ = 8 V and maximum zener current, IZM = 10 mA is subjected to an input voltage Vi = 10 V with series resistance R = 100 Ω. In the given circuit RL represents the variable load resistance. The ratio of maximum and minimum value of RL is ______________.

Question Image

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

answer is 2.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail
Question Image

I=2100=20mAI=IZ+ILVL=ILRL8=10×103×RLmax45×103=RLmax800=RLmax

I=IZ+ILIL=10mA If IZ=0ILmax=20mAVL=ILmax×RLmin820×103=RLmin400=RLmin

RLmaxRLmin=800400=2

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon