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Electric Circuits
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Electric circuits miscellaneous
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Electric circuits miscellaneous
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Electric Circuits
Electric circuits miscellaneous
A delta connected network with Y-equivalent is shown below.
The resistances R
1
, R
2
, R
3
(in ohms) are respectively
1.5, 3 and 9
3, 9 and 1.5
9, 3 and 1.5
3, 1.5 and 9
Correct Option:
D
R
1
=
R
ab
R
ac
=
150
= 3
R
ab
+ R
ac
+ R
bc
50
R
2
=
R
ab
R
ac
=
5 × 25
= 1.5
R
ab
+ R
ac
+ R
bc
50
R
3
=
30 × 15
= 9
50
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