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An infinitely long conductor PQR is ben...

An infinitely long conductor ` PQR` is bent to form a light angle as shown in Figure . A current `I` flows through `PQR` . The magnetic field due to this current at the point `M` is `H_(1)`. Now , another infinitely long straight conductor `QS` is connected at `Q` so that current is `(I)/(2)` in `QR` as well as in `QS` , the current in `PQ` remaining unchanged . The magnetic field at `M` is now `H_(2)`. The ratio `(H_(1))/(H_(2)` is given by

A

`1//2`

B

1

C

`2//3`

D

2

Text Solution

Verified by Experts

The correct Answer is:
c
`B=(mu_(0)I)/(4piz)`
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