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1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Match Column-I with Column - II related to an electric dipole of dipole moment $\vec{p}$ that is placed in a uniform electric field $\vec{E}$.

Column - I
Angle between p → p → vec(p) and E → E → vec(E)		 Column - II
Potential energy of the dipole
a) 180 ∘ 180 ∘ 180^(@)
b) 120 ∘ 120 ∘ 120^(@)
c) 90 ∘ 90 ∘ 90^(@)
a) 180^(@) b) 120^(@) c) 90^(@)| a) $180^{\circ}$ | | :--- | | b) $120^{\circ}$ | | c) $90^{\circ}$ |a) 180^(@) b) 120^(@) c) 90^(@)
i) -pE
ii) pE
iii) 1 2 pE 1 2 pE (1)/(2)pE
iv) Zero
i) -pE ii) pE iii) (1)/(2)pE iv) Zero| i) -pE | | :--- | | ii) pE | | iii) $\frac{1}{2} \mathrm{pE}$ | | iv) Zero |i) -pE ii) pE iii) (1)/(2)pE iv) Zero
A
$a-i, b-i i, c-i i i$
B
a - ii, b - iii, c - i
C
$a-i i, b-i, c-i v$
D
a - ii, b - iii, c - iv
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not true?

A
Work done to move a charge on an equipotential surface is not zero
B
Equipotential surfaces are the surfaces where the potential is constant
C
Equipotential surfaces for a uniform electric field are parallel and equidistant from each other
D
Electric field is always perpendicular to an equipotential surfaces.
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0
Which of the following is a correct statement?
A
Gauss's law is true for any open surface
B
Gauss's law is not applicable when charges are not symmetrically distributed over a closed surface.
C
Gauss's law does not hold good for a charge situated outside the Gaussian surface.
D
Gauss's law is true for any closed surface
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0

A body has a charge of $-3.2 \mu \mathrm{C}$. The number of excess electrons will be

A
$5.12 \times 10^{25}$
B
$5 \times 10^{12}$
C
$2 \times 10^{13}$
D
$5.12 \times 10^{13}$
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