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

You are given a dipole of charge $+q$ and $-q$ separated by a distance $2 R$. A sphere ' $A$ ' of radius ' $R$ ' passes through the centre of the dipole as shown below and another sphere ' $B$ ' of radius ' $2 R$ ' passes through the charge +q . Then the electric flux through the sphere A is

KCET 2025 Physics - Electrostatics Question 1 English
A
$\mathrm{q} / \varepsilon_0$
B
Zero
C
$2 q / \varepsilon_0$
D
$-q / \varepsilon_0$
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A potential at a point A is -3 V and that at another point B is 5 V . What is the work done in carrying a charge of 5 m C from B to A ?

A
-0.04 J
B
-0.4 J
C
-4 J
D
-40 J
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Charges are uniformly spread on the surface of a conducting sphere. The electric field from the centre of sphere to a point outside the sphere varies with distance $r$ from the centre as

A
KCET 2025 Physics - Electrostatics Question 3 English Option 1
B
KCET 2025 Physics - Electrostatics Question 3 English Option 2
C
KCET 2025 Physics - Electrostatics Question 3 English Option 3
D
KCET 2025 Physics - Electrostatics Question 3 English Option 4
4
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
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