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Solution


Q.

A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances (R1=R2=R3=R4) When resistance is heated to some temperature, its resistance value has gone up by 10% The potential difference (Va-Vb) (after R3 is heated) is ______ V.    [2026]
1 0.95  
2 2  
3 0  
4 1.06  

Ans.

(1)