NEET Practice Questions (MCQs) with Answers & Solutions

 $3.33\times {10}^{-5} J/m^2$

26.5 W/$m^2$

 $3\times {10}^8 J/m^2$

None of these

Both conduction current and displacement current will increase

Both conduction current and displacement current will decrease

Conduction current will increase and displacement will decrease

Conduction current will decrease and displacement current will increase

A charge moving with constant velocity

A charge at rest

A charge moving in a circular orbit

Charges cannot produce an EM wave

Impedance

Inductance

capacitance

Inductance$\times$Capacitance

 $\overrightarrow{P}=\overrightarrow{E}\times \overrightarrow{B}$

 $\overrightarrow{P}=\overrightarrow{E}\times \overrightarrow{H}$

 $\overrightarrow{P}=\frac{\overrightarrow{E}}{\overrightarrow{B}}$

 $\overrightarrow{P}=\frac{\overrightarrow{E}}{\overrightarrow{H}}$

 $\overrightarrow{E}\times \overrightarrow{B}$ gives always the direction of propagation

 $\overrightarrow{E}$ is always perpendicular to $\overrightarrow{B}$

Transverse in nature

 $\overrightarrow{E}$ is always parallel to $\overrightarrow{B}$

 $3\times {10}^6 v/s$

 $4\times {10}^6 v/s$

 $2\times {10}^6 v/s$

none of these

electric field

magnetic field

magnetic & electric field both

none of these

Speed of light in free space = $\frac{1}{\sqrt{{\mu }_0{\in }_0}}$

Speed of light in medium = $\frac{1}{\sqrt{\mu \in }}$

 $\frac{E_0}{B_0}=c$

 $\frac{B_0}{E_0}=c$

 $2.7\times {10}^{12} T$

 $9.0\times {10}^{-3} T$

 $3.0\times {10}^{-4} T$

 $3.0\times {10}^{-5} T$