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