Question 221: Current Electricity

Question

The value of unknown resistance $(x)$ for which the potential difference between $B$ and $D$ will be zero in the arrangement shown, is :

Accepted Answer

Balanced wheatstone bridge.
$\Rightarrow \quad 12 	imes 0.5=(x+6) 	imes \frac{1}{2} \Rightarrow x=6 \Omega$

Answer

3 $\Omega$

Answer

42 $\Omega$

Answer

6 $\Omega$

Answer

9 $\Omega$

Current Electricity