Embibe Experts Solutions for Chapter: Electrostatics, Exercise 1: AP EAPCET Medical 2018 (22-Apr Shift-1)

An infinitely long thin straight wire has uniform linear charge density of $\frac{1}{3}{ \mathrm{C} \mathrm{m}}^{-1}.$ Magnitude of electric intensity at point $12 \mathrm{cm}$ away is ______ $-\left({ϵ}_0=8.8\times {10}^{-12}{\mathrm{Fm}}^{-1}\right)$

Points $A$ and $B$ are separated by $3 \mathrm{cm}$ and a uniform electric field is acting from $A$ to $B$ with $\mathrm{E}=300 \mathrm{N} {\mathrm{C}}^{-1}.$ A charge of $3 \mu \mathrm{C}$ is taken from $B$ to $A.$ Force acting on the $3 \mu \mathrm{C}$ charge is ________

Two point charges $\frac{+q}{2}$ and $-q$ are placed at a point $(\mathrm{a}, 0, 0)$ and at origin respectively. The point along the $x$-axis where the electric field vanishes is $\underline{ }$

An infinite line charge produces a field of $18\times {10}^5 \mathrm{N}·{\mathrm{C}}^{-1},$ at a distance of $4 \mathrm{cm}.$ What is the linear charge density?

The electric field strength due to a $10\mu \mathrm{C}$ point charge, at a distance of $50 \mathrm{cm}$ from it, is ________

What is the electric potential at a distance of $9 \mathrm{cm}$ from $3 \mathrm{nC} ?$

The variation of electric potential with distance from a fixed point is shown in the figure. What is the value of electric field at $x=2 \mathrm{m}?$

Two spheres of unequal radii are supplied with equal quantity of charges. The potential will _______