The value of unknown resistance (x) for which the potential difference between B and D will be zero in the arrangement shown, is :
1
2
3
4
Official Solution
Correct Option:
(3)
In the given arrangement, we observe a Wheatstone Bridge. For the bridge to be balanced:
Substituting values from the circuit:
Simplify:
Final Answer: .
About Wheatstone Bridge - JEE-MAIN
Wheatstone Bridge is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Wheatstone Bridge PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Wheatstone Bridge carry the most weight. Then, tackle the questions iteratively to solidify your understanding.
