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Two long straight wires \(P\) and \(Q\) carrying equal current of \(10 A\) each were kept parallel to each other at a di…

Q1

Two long straight wires \(P\) and \(Q\) carrying equal current of \(10 A\) each were kept parallel to each other at a distance of \(5 cm\). 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)]

a

\(8 F_1\)

b

\(10 F_1\)

c

\(F_1 / 8\)

d

\(F_1 / 10\)

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