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Physics
Five conductors are meeting at a point x as shown in the figure. What is the value of current in fifth conductor?
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Q. Five conductors are meeting at a point $x$ as shown in the figure. What is the value of current in fifth conductor?
Current Electricity
A
$3A$ away from $x$
B
$1 A$ away from $x$
C
$4 A$ away from $x$
D
$1 A$ towards $x$
Solution:
According to Kirchhoff's first law,
$(5 A )+(4 A )+(-3 A )+(-5 A )+I=0 \Rightarrow I=-1 A$
