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Three 3 resistance are connected in parallel wh... - JAMB Physics 2017 Question

Three 3ω resistance are connected in parallel what is the equivalent resistance?
A
B
C
D
0.33ω
correct option: a

Resistor connected in a parallel have an equivalence given by

(\frac{1}{\text{Reff}}) = (\frac{1}{3}) + (\frac{1}{3}) + (\frac{1}{3})

= (\frac{1 + 1 + 1}{3}) = (\frac{3}{3}) = 1

Reff = 1ω

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