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Three unequal resistor in parallel are e...

Three unequal resistor in parallel are equivalent to a resistance `1Omega` If two of them are in the ratio 1:2 and if no resistance value is fractional the largest of the three resistance in ohm is

A

4

B

6

C

8

D

12

Text Solution

Verified by Experts

The correct Answer is:
B
`1/R_(1) + 1/R_(2) + 1/R_(3) = 1`
`R_(2) : R_(3) = 1 : 2`
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