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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 3 - Current Electricity > In a Wheatstone bridge (see fig.), Resistances P and Q are approximately equal. When R=400Ω, the bridge is equal. When R=400Ω,the bridge is balanced. On inter-changing P and Q, the value of R, for balance, is 405 Ω. The value of X is close to :

In a Wheatstone bridge (see fig.), Resistances P and Q are approximately equal. When R=400Ω, the bridge is equal. When R=400Ω,the bridge is balanced. On inter-changing P and Q, the value of R, for balance, is 405 Ω. The value of X is close to :

for balance In a Wheatstone bridge (see fig.) is 405 Ω. The value of X is close to : Resistances P and Q are approximately equal. When R=400Ω the bridge is balanced. On inter-changing P and Q the bridge is equal. When R=400Ω the value of R