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Three ammeters P,Q and R with internal r...

Three ammeters P,Q and R with internal resistances r, 1.5r, 3r respectively. Q and R parallel and this combination is in series with P, the whole combination is in series with P, T the whole combination connected between X and Y. When the battery connected between X and Y, the ratio of the readings of P, Q and R is

A

`2:1:1`

B

`3:2:1`

C

`3:1:2`

D

`1:1:1`

Text Solution

Verified by Experts

The correct Answer is:
B
`i=(V)/(R)`
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