Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

Options:

a

b

c

d

Correct Answer:

a

Explanation:

Since current through OA is zero hence its a case of balanced wheat stone bridge 

⇒$\frac{1}{4} = \frac{1.5}{R}$

⇒ R = 6Ω