AP EAPCET 2024 - 22th May Morning Shift | Electrostatics Question 1 | Physics

A neutral ammonia $\mathrm{NH}_3$ in its vapour state has electric dipole moment of magnitude $5 \times 10^{-30} \mathrm{C}-\mathrm{m}$. How far apart are the molecules centres of positive and negative charge?

$4.125 \times 10^{-12} \mathrm{~m}$

$3.125 \times 10^{-12} \mathrm{~m}$

$3125 \times 10^{-6} \mathrm{~m}$

$4.125 \times 10^{-6} \mathrm{~m}$

AP EAPCET 2024 - 22th May Morning Shift

MCQ (Single Correct Answer)

-0

If four charges $q_1=+1 \times 10^{-8} \mathrm{C}, q_2=-2 \times 10^{-8} \mathrm{C}$, $q_3=+3 \times 10^{-8} \mathrm{C}$ and $q_4=+2 \times 10^{-8} \mathrm{C}$ are kept at the four corners of a square of side 1 m , then the electric potential at the centre of the square is

300 V

200 V

510 V

410 V

AP EAPCET 2024 - 21th May Evening Shift

MCQ (Single Correct Answer)

-0

The electric field intensity $E$ at a distance of 3 m from a uniform long straight wire of linear charge density $0.2 \mu \mathrm{~cm}^{-1}$ is

$1.2 \times 10^3 \mathrm{Vm}^{-1}$

$0.6 \times 10^3 \mathrm{Vm}^{-1}$

$1.8 \times 10^3 \mathrm{Vm}^{-1}$

$2.4 \times 10^3 \mathrm{Vm}^{-1}$

AP EAPCET 2024 - 21th May Morning Shift

MCQ (Single Correct Answer)

-0

A point charge $q \mathrm{C}$ is placed at the centre of a cube of a side length $L$. Then, the electric flux linked with each face of the cube is

$\frac{q}{\varepsilon_0}$

$\frac{q}{L^2 \varepsilon_0}$

$\frac{q}{6 L^2 \varepsilon_0}$

$\frac{q}{6 \varepsilon_0}$

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