Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

A Wheatstone bridge has four resistors: $R_1=R_2=R_3 = 1Ω$ and $R_4 = 2Ω$. In order to balance the bridge, resistor $R_4$ has to be shunted by resistance of

Options:

0.5 Ω

1.0 Ω

2.0 Ω

3.0 Ω

Correct Answer:

2.0 Ω

Explanation:

The correct answer is Option (3) → 2.0 Ω