Two long straight wires P and Q carrying equal current of 10A each were kept parallel to each other at a distance of 5cm. Magnitude of magnetic force experienced by 10 cm length of wire P is \({F}_{1}\). If distance between the wires is halved and currents on them are doubled, force \({F}_{2}\) on 10 cm length of wire P will be:

[JEE Main 2023, 24 Jan (Shift 1)]

Question

Two long straight wires P and Q carrying equal current of 10A each were kept parallel to each other at a distance of 5cm. Magnitude of magnetic force experienced by 10 cm length of wire P is \({F}_{1}\). If distance between the wires is halved and currents on them are doubled, force \({F}_{2}\) on 10 cm length of wire P will be:

[JEE Main 2023, 24 Jan (Shift 1)]

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