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Physics
Physics
Problem
A current source of
10
A
10\,\text{A}
10
A
feeds two resistors
4
Ω
4\,\Omega
4
Ω
and
6
Ω
6\,\Omega
6
Ω
connected in parallel. When a third resistor
R
R
R
is connected in parallel, the current through the
4
Ω
4\,\Omega
4
Ω
resistor drops from
6
A
6\,\text{A}
6
A
to
4
A
4\,\text{A}
4
A
. Calculate the value of
R
R
R
. a)
5.6
Ω
5.6\,\Omega
5.6
Ω
b)
4.8
Ω
4.8\,\Omega
4.8
Ω
c)
4.0
Ω
4.0\,\Omega
4.0
Ω
d)
8.0
Ω
8.0\,\Omega
8.0
Ω
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