MCQ
In broad-side-on position, the electric potential due to electric dipole is :
  • A
    $\frac{1}{4\pi\in_{0}}\frac{P}{r}$
  • B
    $\frac{1}{4\pi\in_{0}}\frac{P}{r^{2}}$
  • zero
  • D
    infinite

Answer

Correct option: C.
zero
C

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

What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$
 
The cathode of a photoelectric cell is changed such that the work function changes from $W_1$ to $W_2 (W_2>W_1)$. If the current before and after change are $I_1$ and $I_2,$ all other conditions remaining unchanged, then $($assuming $hn > W_2)$
A conductor carries a certain charge. When it is connected to another uncharged conductor of finite capacity, then the energy of the combined system is.
The slopes of anode and mutual characteristics of a triode are $0.02\ mA\  V^{–1}$ and $1\ mA\  V^{–1}$ respectively. What is the amplification factor of the valve
The electrochemical equivalent of magnesium is 0.126 mg/C. A current of 5 A is passed in a suitable solution for 1 hour. The mass of magnesium deposited will be(a) 0.0378 gm(b) 0.227 gm(c) 0.378 gm(d) 2.27 gm
       
The amplitude of the sinusoidally oscillating electric field of a plane wave is $60\ v/m.$ Then the amplitude of the magnetic field is$:$
Wavelength of, monochromatic light is $5000A^\circ.$ It's wave number is$:$
If an α-particle collides head-on with a nucleus, what is its impact parameter?
Resistances $\mathrm{R}_1$ and $\mathrm{R}_2$ are joined in parallel and a current is passed so that the amount of heat liberated is $\mathrm{H}_1$ and $\mathrm{H}_2$ respectively. The ratio $\frac{\mathrm{H}_1}{\mathrm{H}_2}$ as the value
In double slit experiment, the angular width of the fringes is $0.20^{\circ}$ for the sodium light $( \lambda=5890 \mathring A ).$ In order to increase the angular width of the fringes by $10 \%,$ the necessary change in the wavelength is