A charge particle is moving in a uniform magnetic field \( (2 \hat{i}+3 \hat{j}) \mathrm{T} \). ...

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A charge particle is moving in a uniform magnetic field \( (2 \hat{i}+3 \hat{j}) \mathrm{T} \). If it has an acceleration of \( (\alpha \hat{i}-4 \hat{j}) \mathrm{m} / \mathrm{s}^{2} \), then the value of \( \alpha \) is
(a) 3
(b) 6
(c) 12
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