Question

Find the values of magnetic field between pates of capacitor at distance $1m$ from centre, where electric field varies by ${10}^{10}V/m$ per second.

• A. $5.56\times {10}^{-8}T$
• B. $5.56\times {10}^{-3}T$
• C. $5.56\mu T$
• D. $5.56T$

Answer 1

The correct option is A $5.56\times {10}^{-8}T$

Distance $=1m.\left(d\right)$

electric field varies $b_y={10}^{10}V/m$

Tension $=\frac{dE}{dt}={10}^{10}$

$B=\frac{{\mu }_0{ϵ}_{0}r}{2}\times \frac{dE}{dt}$

$=\frac{4\pi \times {10}^{-3}\times 8.854\times {10}^{-12}\times 1}{2}\times {10}^{10}$

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