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In free space, the electric field intensity ? = 20 cos (ωt-50x) ?̂ V/m. ?̂ is...

In free space, the electric field intensity ? = 20 cos (ωt-50x) ?̂ V/m. ?̂ is the unit vector along y-axis.

Calculate

(i) Displacement current density (?? ?? ).
(ii) Magnetic Field intensity (?)
(iii) Angular frequency (ω).
Assume ? 0 = 4? × 10( −7) and ? 0 = 8.854 × 10 (−12) ?/?

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