The magnetic field produced by a long straight current-carrying wire is given as
B = μ0I/2πh
Magnetic force on the small conductor is F = BIl sin θ = BIl
F = mg = μ0I2l/2πh
h = 0.51 cm
The magnetic field produced by a long straight current-carrying wire is given as
B = μ0I/2πh
Magnetic force on the small conductor is F = BIl sin θ = BIl
F = mg = μ0I2l/2πh
h = 0.51 cm