Olive909 Olive909

27-02-2024
Physics

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Charge (Q) is uniformly distributed on a non-conducting circular disc of radius (r). The disc rotates with constant angular speed (ω) about its natural axis. The magnetic field at the center of the disc is:

a) 0
b) μ0ωQ/2πr
c) μ0ωQ/πr
d) μ0ωQ/2r

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