A wire carrying current l, bent in the form of a quarter circle is held at rest on a smooth table with two threads as shown. A u

A wire carrying current l, bent in the form of a quarter circle is held at rest on a smooth table with two threads as shown. A uniform magnetic field exists in the region direction into the plane select the correct alternatives

A. Net force on wire is zero
B. Net magnetic force on wire `= BlR sqrt2`
C. Tension in the threads is BlR
D. Tension in the threads is `BlR sqrt2`

A wire carrying current l, bent in the form of a quarter circle is held at rest on a smooth table with two threads as shown. A uniform magnetic field

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