A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances (R₁ = R₂ = R₃ = R₄). When R₃ resistance is heated to some temperature, its resistance value has gone up by 10%. The potential difference (V a - V b) (after R₃ is heated) is _ _ _ _ V.

Current Electricity: JEE Main 2026 Physics question

JEE Main 2026 · 28 Jan, Evening shift · Q30

JEE Main 202628 Jan, Evening shiftPhysicsMediumCurrent Electricity150× since 2002

A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances

(R_1 = R_2 = R_3 = R_4)

. When

R_3

resistance is heated to some temperature, its resistance value has gone up by 10%. The potential difference

(V_a - V_b)

(after

R_3

is heated) is ________ V.

JEE Main 2026 Current Electricity Question with Solution (28 Jan Evening shift, Q30) | JEE Arc