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Byju's Answer
Standard IX
Physics
Equivalent Resistance of a System of Resistor
A current of ...
Question
A current of
6
A
enters one corner
P
of an equilateral triangle
△
P
Q
R
having
3
wires of resistance
21
Ω
each and leaves by the corner
R
. The currents
i
1
in ampere is______.
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Solution
The current
i
1
=
(
R
2
R
1
+
R
2
)
i
i
1
=
(
2
4
+
2
)
×
6
i
1
=
2
A
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