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Electric Circuits
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Electric circuits miscellaneous
» Question
Electric circuits miscellaneous
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Electric Circuits
Electric circuits miscellaneous
For the equivalent λ ≡ ∆ circuit shown in the given firgure, values of R
AB
and R
BC
are respectively
5 Ω and 15 Ω
15 Ω and 30 Ω
30 Ω and 5 Ω
20 Ω and 35 Ω
Correct Option:
A
R
AB
=
R
A
.R
B
+ R
C
.R
B
+ R
C
.R
A
R
C
=
4.5 + 13.5 + 27
= 5 Ω
9
And R
BC
=
R
A
R
B
+ R
C
R
B
+ R
C
R
A
R
A
=
45
=
15 Ω
3
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