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Q. Reading of the ideal voltmeter in the circuit below isPhysics Question Image

Current Electricity

Solution:

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Aliter $\Delta V =\frac{E_{1} \,r_{2}+E_{2}\, r_{1}}{r_{1}+r_{2}}$
$=\frac{48+12}{6}=\frac{60}{6}=10\, V$
$i=\frac{6}{6}=1\, A$
$\Delta V=6+1(4)$
$\Delta V=10 \,V$