A charged particle has a acceleration a =2i^ + xj^ in a magnetic field B=-3i^+2j^-4k^. The value of x

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A

(3 ¯ i + 2 ¯ j)

m s^{- 1}

(2 ¯ i + 3 ¯ ¯ ¯ k) T

= 0.96 \times 10^{8} C k g^{- 1}; F = q (\to v \times \to B)

\to B = (3^i + 4^j) \times 10^{- 2} T

\to a = (x^i + 2^j) m/s

x

\to v = 3^i + 4^j

\to a = 2^i + x^j

\vec{a} = 2 \hat{i} + 3 \hat{j} + 4 \hat{k}, \vec{b} = \hat{i} + 2 \hat{j} - \hat{k}, \vec{c} = 3 \hat{i} - \hat{j} + 2 \hat{k}

\vec{a} = 2 \hat{i} - 3 \hat{j} + 4 \hat{k}, \vec{b} = \hat{i} + 2 \hat{j} - \hat{k}, \vec{c} = 3 \hat{i} - \hat{j} - 2 \hat{k}

\vec{a} = 11 \hat{i}, \vec{b} = 2 \hat{j}, \vec{c} = 13 \hat{k}

\vec{a} = \hat{i} + \hat{j} + \hat{k}, \vec{b} = \hat{i} - \hat{j} + \hat{k}, \vec{c} = \hat{i} + 2 \hat{j} - \hat{k}

3 i + 2 j + 8 k

2 i + x j + k

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