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As shown in Fig. there are two semicircles of radii `r_1 = 12 cm` and `r_2 = 10 cm` in which 4 Amp current is flowing The mag. field at the centre 'O' is

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As shown in Fig. there are two semicircles of radii `r_1 = 12 cm` and `r_2 = 10 cm` in which 4 Amp current is flowing The mag. field at the centre 'O' is ........................
As shown in Fig. there are two semicircles of radii r1 = 12 cm and r2 = 10 cm - Sarthaks eConnect | Largest Online Education Community
Options:
(a) `55/3 mu_o` going inside (b) `3/55mu_o` going outside (c) `6/55mu_o` going inside (d) `12/55mu_o` going inside

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