AP EAPCET 2025 - 21st May Morning Shift | Electrostatics Question 19 | Physics

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

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

Two particles of charges 4 nC and $Q$ are kept in air with a separation of 10 cm between them. If the electrostatic potential energy of the system is $1.8 \mu \mathrm{~J}$, then $Q=$

12 nC

9 nC

5 nc

7 nC

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