Resistances P and Q are approximately equal. When R=400Ω

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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 :
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Dec
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 [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
Tags: 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 ,