119. A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is_____________? September 7, 2025 by Admin A. 24 Ω B. 2.4 Ω C. 300 Ω D. 3,000 Ω ✅ The correct answer is option D.