Question is from Electrostatics !
[tex] \huge { \underline{ \underline{ \red{ \boxed{ \mathtt{\purple {question}}}}}}}[/tex]
The inward and outward flux from a closed surface the respectively 8×10^3
& 4×10^3 units. The net charge inside the closed surface is
a) -4 × 10^3
b) +4 × 10^3
c) -12 × 10^3
d) +12 × 10^3
[tex] \huge { \underline{ \underline{ \red{ \boxed{ \mathtt{\purple {question}}}}}}}[/tex]
The inward and outward flux from a closed surface the respectively 8×10^3
& 4×10^3 units. The net charge inside the closed surface is
a) -4 × 10^3
b) +4 × 10^3
c) -12 × 10^3
d) +12 × 10^3
Answers & Comments
Verified answer
A N S W E R :
[tex]\longmapsto {\rm \: ϕ2−ϕ1=\dfrac{q}{ε0}}[/tex]
[tex]\longmapsto{∴q=ε _{0}(ϕ_{2}−ϕ_{1})}[/tex]
[tex] \longmapsto{\rm=ε(4×10^3−8×10^3)}[/tex]
[tex]\longmapsto{ \rm=−4×10^3ε_{0}C}[/tex]
[tex]\longmapsto{ \red{ \rm=−4×10^3ε}}[/tex]
Hence,Option (a) is Correct.
Hope It Helps You!!!
Answer:
⟼ϕ2−ϕ1=
ε0
q
\longmapsto{∴q=ε _{0}(ϕ_{2}−ϕ_{1})}⟼∴q=ε
0
(ϕ
2
−ϕ
1
)
\longmapsto{\rm=ε(4×10^3−8×10^3)}⟼=ε(4×10
3
−8×10
3
)
\longmapsto{ \rm=−4×10^3ε_{0}C}⟼=−4×10
3
ε
0
C
\longmapsto{ \red{ \rm=−4×10^3ε}}⟼=−4×10
3ε
a) is Correct.
Hope Its helpful ☺️