Tag: charge

$10^6$

$625 \times 10^{12}$

$1.6 \times 10^{-25}$

$1.6 \times 10^{13}$

$\displaystyle n/e$

$\displaystyle ne$

$\displaystyle e/n$

All

$0.10A$

$0.15A$

$0.20A$

$0.30A$

Net field inside the cavity is zero

Net field inside the metal is non-zero constant

Potential inside the metal is constant

Potential outside metal is constant

$7cm$

$2cm$

$5.858cm$

$8cm$

$\dfrac { q } { 2 \pi \varepsilon _ { 0 } } , \dfrac { 3 q } { 4 \pi \varepsilon _ { 0 } }$

$\dfrac { q } { 2 \pi \varepsilon _ { 0 } } \cdot \frac { q } { 3 \pi \varepsilon _ { 0 } }$

$\dfrac { 2 q } { \pi \varepsilon _ { 0 } } , \dfrac { q } { 3 \pi \varepsilon _ { 0 } }$

$\dfrac { q \varepsilon _ { 0 } } { \pi 2 } , \dfrac { q E _ { 0 } } { 3 \pi }$

$< 1 \mathrm { ev }$

$> 1 \mathrm { ev }$

$= 2 \mathrm { Mev }$

$= 4 \mathrm { Mev }$

true

false

ambiguous

data insufficient

charge cannot be destroyed

charge exists on particles

there is a minimum permissible charge on a particle

charge, which is a fraction of a charge on an electron is not possible

1.6 $\times 10^{19}$ coulomb

1.6 $\times 10^{-10}$ coulomb

1.6 $\times 10^{10}$ coulomb

1.6 $\times 10^{-19}$ coulomb