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Two thick wires and tow thin wires, all ...

Two thick wires and tow thin wires, all of same material and same length from a squre in the three different ways P, Q and R as shown. The current flowing through the arrangement is i. Let `B_(P), B_(Q) and B_(R)` represent the magnetic field at the centre of square in the three cases, then

A

`B_(P) = 0`

B

`B_(Q) = 0`

C

`B_(R) = 0`

D

`B_(P) != 0`

Text Solution

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The correct Answer is:
A, C
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