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Static Electric Fields

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Question 1 of 5

The magnetic field intensity vector of a plane wave is given by $\bar{H}(x, y, z, t)=25 \sin (50000 t+0.004 x+40) \hat{a}_{y}$ , where $\hat{a}_{y}$ denotes the unit vector in y direction. The wave is propagating with a phase velocity

$-3 \times 10^{2} \mathrm{m} / \mathrm{s}$

$-1.25 \times 10^{7} \mathrm{m} / \mathrm{s}$

$3 \times 10^{8} \mathrm{m} / \mathrm{s}$

$5 \times 10^{4} \mathrm{m} / \mathrm{s}$

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Static Electric Fields

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Question 1 of 5

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