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Q.
In the circuit shown, the point $B$ is earthed. The potential at the point $A$ is
Current Electricity
Solution:
Current in the given circuit $i=\frac{50}{(5+7+10+3)}=2\, A$
Potential difference between $A$ and $B, V_{A}-V_{B}=2 \times 12$
$\Rightarrow V_{A}-0=24\, V \Rightarrow V_{A}=24\, V$
