The property which is not of an electromagnet | vedclass

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(C) Electromagnetic $(EM)$ waves are produced by accelerating charges. According to the theory of electromagnetism,a charge moving with a uniform velo

Vedclass · Accepted Answer

They originate from charges moving with uniform speed

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(C) Electromagnetic $(EM)$ waves are produced by accelerating charges. According to the theory of electromagnetism,a charge moving with a uniform velocity produces a steady magnetic field and does not radiate energy in the form of $EM$ waves. Therefore,the statement that they originate from charges moving with uniform speed is incorrect. All other options are standard properties of $EM$ waves: $1$. The energy density of the electric field $(u_E = \frac{1}{2} \varepsilon_0 E^2)$ is equal to the energy density of the magnetic field $(u_B = \frac{1}{2\mu_0} B^2)$. $2$. The speed of $EM$ waves in free space is $c = \frac{1}{\sqrt{\mu_0 \varepsilon_0}}$. $3$. $EM$ waves are transverse in nature,meaning the oscillations of electric and magnetic fields are perpendicular to the direction of wave propagation.

The property which is not of an electromagnetic wave travelling in free space is that:

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