First slide

Maxwell's Equations

Question

In an electromagnetic wave instantaneous value of magnetic field is $2 μ T .$ Then instantaneous value of electric field at that instant is _____

Moderate

A

$200 \frac{v}{m}$
B

$300 \frac{v}{m}$
C

$400 \frac{v}{m}$
D

$600 \frac{v}{m}$

Solution

$\frac{E}{B} = C \Rightarrow E = B . C = 2 \times 10^{- 6} \times 3 \times 10^{8} v o l t / m = 600 v o l t / m .$

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