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Q.
The reading of ammeter shown in figure is
Current Electricity
Solution:
The equivalent circuit of the given circuit will be reduced to as shown in figure.
Total resistance of the circuit
$=\frac{2 \times 4}{2+4}+0.8=\frac{8}{6}+0.8$
$=\frac{12.8}{6}\,\Omega$
Total current in the circuit $=\frac{14}{\left(12.8/6\right)}=\frac{84}{12.8}\,A$
Reading of ammeter $=\frac{84}{12.8}\times\frac{2}{6}$
$=2.18\,A$
