First slide

Maxwell's Equations

Question

Find the value of magnetic field between plates of capacitor at a distance 1 m from centre, where electric field varies by 10¹⁰ V/m per second.

Moderate

A

$5.56 \times 10^{- 8} T$
B

$5.56 \times 10^{- 3} T$
C

$5.56 μ T$
D

5.56 T

Solution

$B = \frac{μ_{0} ε_{0} r}{2} \frac{dE}{dt} = \frac{1}{9 \times 10^{16} \times 2} \times 10^{10}$
$= 5.56 \times 10^{- 8} T$

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