Question
A circular ring carries a uniformly distributed positive charge. The electric field $(E) $ and potential $ (V) $ varies with distance $(r)$ from the centre of the ring along its axis as

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Consider the following statements. The total energy of a particle executing simple harmonic motion depends on its

$(1)$ Amplitude      $(2) $ Period         $(3)$ Displacement

Of these statements

A uniform electric field pointing in positive $x$-direction exists in a region. Let $A$ be the origin, $B$ be the point on the $x$-axis at $x = + 1$ $cm$ and $C$ be the point on the $y$-axis at $y = + 1\,cm$. Then the potentials at the points $A$, $B$ and $C$ satisfy
By what factor the $r.m.s.$ velocity will change, if the temperature is raised from $27^\circ C$ to  $327^\circ C$
Potassium has a $ bcc$ structure with nearest neighbour distance $4.525 Å$. Its molecular weight is $39$. Its density in $kg/m^{3}$ is
In alternating current circuits, the $a.c$. meters measure
The time dependence of the position of a particle of mass $m = 2$ is given by $\vec r(t) = 2t\hat i - 3{t^2}\hat j$ Its angular momentum with respect to the origin at time $t = 2$ is
A spherical shell of $1 \,kg$ mass and radius $R$ is rolling with angular speed $\omega$ on horizontal plane (as shown in figure). The magnitude of angular momentum of the shell about the origin $O$ is $\frac{a}{3} R^{2} \omega$. The value of a will be ..............
A line passing through places having zero value of magnetic dip is called
In an experiment, the values of refractive indices of glass were found to be $1.54, 1.53,$$1.44,1.54,1.56$ and $1.45$ in successive measurements, then Mean absolute error is 
The adjacent graph shows the extension $(\Delta l)$ of a wire of length $1m$ suspended from the top of a roof at one end with a load $W$ connected to the other end. If the cross sectional area of the wire is ${10^{ - 6}}{m^2},$ calculate the young’s modulus of the material of the wire