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A particle of charge \( -16 \times 10^{-18} \mathrm{C} \) moving with velocity \( 10 \mathrm{~m} \mathrm{~s}^{-1} \) along the \( x \)-axis enters a region where a magnetic field of induction \( B \) is along the \( y \)-axis, and an electric field of magnitude \( 10^{4} \mathrm{~V} / \mathrm{m} \) is along the negative \( z \)-axis. If the charged particle continues moving along the \( x \)-axis, the magnitude of \( B \) is
(A) \( 10^{-3} \mathrm{~Wb} / \mathrm{m}^{2} \)
(B) \( 10^{3} \mathrm{~Wb} / \mathrm{m}^{2} \)
(C) \( 10^{5} \mathrm{~Wb} / \mathrm{m}^{2} \)
(D) \( 10^{16} \mathrm{~Wb} / \mathrm{m}^{2} \)
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