AP EAPCET 2025 - 21st May Morning Shift | Electrostatics Question 18 | Physics

The force between two point charges kept with a separation of 9 cm in air is 98 N . If a dielectric slab of constant 4, thickness 6 cm and another dielectric slab of constant 9 , thickness 3 cm are introduced between the two charges, then the new force becomes

18 N

36 N

49 N

84 N

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

Three point charges shown in the figure lie along a straight line. The energy required to exchange the position of central charge with one of the negative charges is

AP EAPCET 2025 - 21st May Morning Shift Physics - Electrostatics Question 18 English

$\frac{q^2}{8 \pi \varepsilon_0 a}$

$\frac{3 q^2}{8 \pi \varepsilon_0 a}$

$\frac{q^2}{4 \pi \varepsilon_0 a}$

$\frac{5 q^2}{4 \pi \varepsilon_0 a}$

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

A particle of mass 0.5 g and charge $10 \mu \mathrm{C}$ is subjected to a uniform electric field of $8 \mathrm{NC}^{-1}$. If the particle is initially at rest, the velocity of the particle after a time of 5 s is

$5 \mathrm{~ms}^{-1}$

$0.5 \mathrm{~ms}^{-1}$

$8 \mathrm{~ms}^{-1}$

$0.8 \mathrm{~ms}^{-1}$

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

125 identical charged small spheres coalesce to form a big charged sphere. If the electric potential on each small sphere is 60 mV , then the electric potential on the bigger sphere formed is

30 V

15 V

1.5 V

3 V

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