1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The electric flux over a sphere of radius ' $r$ ' is ' $\phi$ '. If the radius of the sphere is doubled without changing the charge, the flux will be

A
$4 \phi$
B
$2 \phi$
C
$\phi$
D
$\frac{\phi}{2}$
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the electric flux entering and leaving an enclosed surface is $\phi_1$ and $\phi_2$ then charge enclosed in the surface is ($\varepsilon_0=$ permittivity of free space)

A
$\frac{\phi_2-\phi_1}{\varepsilon_0}$
B
$\frac{\phi_2+\phi_1}{\varepsilon_0}$
C
$\frac{\phi_1-\phi_2}{\varepsilon_0}$
D
$\varepsilon_0\left(\phi_2-\phi_1\right)$
3
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two surfaces A and B are enclosing the charges as shown below. The total normal electric induction (T.N.E.I) through the surfaces A and B are respectively.

MHT CET 2024 4th May Evening Shift Physics - Electrostatics Question 57 English

A
$+2 q$ and $+2 q$
B
$+q$ and $+3 q$
C
$+q$ and $+2 q$
D
$+2 q$ and $+3 q$
4
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A spherical rubber balloon carries a charge, uniformly distributed over the surface. As the balloon is blown up and increases in size, the total electric flux coming out the surface

A
becomes zero
B
decreases
C
increases
D
remains unchanged
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