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Physics
In the circuit shown, if a conducting wire is connected between points A and B , the current in this wire will <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-ox1yfez3c3cqkim2.jpg />
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Q. In the circuit shown, if a conducting wire is connected between points $A$ and $B$ , the current in this wire will
NTA Abhyas
NTA Abhyas 2022
A
flow from $A$ to $B$ .
B
flow in the direction which will be decided by the value of $V$ .
C
be zero.
D
flow from $B$ to $A$ .
Solution:
$V_{A}-V_{B}=\left[V - \left(\frac{V}{8} \times 4\right)\right]-\left[V - \left(\frac{V}{4} \times 1\right)\right]$
$\text{=-}\frac{V}{2}+\frac{V}{4}=-\frac{V}{4}\Rightarrow V_{B}>V_{A}$