The energy stored in the electric field produ | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

Energy of sphere $=\frac{Q^{2}}{2 C}$

$4.5=\frac{16 	imes 10^{-12}}{2 C}$

$C=\frac{16 	imes 10^{-12}}{9}=4 \pi \varepsilon_{0} R$

(capacity

Vedclass · Accepted Answer

$16$

Vedclass · Answer

Energy of sphere $=\frac{Q^{2}}{2 C}$

$4.5=\frac{16 	imes 10^{-12}}{2 C}$

$C=\frac{16 	imes 10^{-12}}{9}=4 \pi \varepsilon_{0} R$

(capacity of spherical conductor)

$\mathrm{R}=\frac{16 	imes 10^{-12}}{9} 	imes \frac{1}{4 \pi \varepsilon_{0}}$

$\because \frac{1}{4 \pi \varepsilon_{0}}=9 	imes 10^{9}$

$=9 	imes 10^{9} 	imes \frac{16}{9} 	imes 10^{-12}=16\, \mathrm{mm}$

The energy stored in the electric field produced by a metal sphere is $4.5\, J$. lf the sphere contains $4\,\mu C$ charge, its radius will be.......$mm$ : [Take : $\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {10^9}\,N - {m^2}\,/{C^2}\, ]$

Similar Questions

A $12 \;pF$ capacitor is connected to a $50 \;V$ battery. How much electrostatic energy is stored in the capacitor?

The separation between the plates of a isolated charged parallel plate capacitor is increased. Which of the following quantities will change?

Work done by an external agent in separating the parallel plate capacitor is

A condenser of capacity $50\,\mu F$ is charged to $10\;volts$. Its energy is equal to

In which of the following stores maximum energy ?