RRB Group D 19-Sep-2018 Shift 1 Solved Paper

Question : 66 of 100

Marks: +1, -0

Three identical resistors, each of 6 Ω are connected in parallel. The equivalent resistance of the combination will be

Solution:

Resistance of three identical resistor = 6 Ohm
Equivalent resistance of resistors in parallel:

1 \/ {R}

=1 \/ {R} 1+1 \/ {R} 2+1 \/ {R} 3

=1 \/ 6+1 \/ 6+1 \/ 6

1 \/ {R}=3 \/ 6

1 \/ 2

So Equivalent Resistance R = 2 Ohm

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