What are the maximum and minimum values of unknown resistance X, which can be determined using the post office box shown in the below figure?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

1111kΩ and 0.01Ω

1001kΩ and 0.01Ω

1101kΩ and 0.01Ω

1000kΩ and 0.01Ω

answer is A.

(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

X=QRPXmax=QmaxRmaxPmin=100010(11110)=1111kΩXmin=QminRminPmax=(10)(1)1000=0.01Ω

Watch 3-min video & get full concept clarity