Asked by Tam

Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the resistance value of a single resistor?
Answered by Tam

The equivalent resistance is thrice the value of a single resistor.

The equivalent resistance is the same as the value of a single resistor.

The equivalent resistance is one third the value of a single resistor.

The equivalent resistance is greater than the value of a single resistor.
Answered by Damon
The current now has three choices for where to go, but the voltage is the same for all three.
itotal = V/R + V/r + V/R

itotal = 3 V/R = V/(R/3)

which is the voltage divided by the equivalent resistance, R/3
Answered by Kassen
if resistors are parallel, then equivalent resistance R=1/(1/R1 + 1/R2 + 1/R3); all
R are the same => R = R/3 => R/R1 = (R/3)/R <=> 1/3
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