Download App

Electrostatics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics2 Marks
Question
What do you mean by electric field intensity ?
✓

Answer

The electric field Intensity at a point is the force experienced by a unit positive charge placed at that point. Electric Field Intensity is a vector quantity. It is denoted by 'E', Electric Field $=F/q,$ Unit of E is NC-1 or $Vm^{-1}.$

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

Explore more

More "2 Marks Questions" from Electrostatics→Electrostatics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Explaination of experimental results of photoelectric effect with Einstein's equation.
→
You are given a low resistance $R_1$, a high resistance $R_2$ and a galvanometer. How will you make such instruments from them which can measure (i) current, (ii) potential difference?
→
If the intensity of light falling on a metal plate is doubled, what will be the effect on photocurrent and maximum kinetic energy of emitted photoelectrons?
→
Find the minimum and maximum wavelengths of sound in water that is in the audible range (20-20000Hz) for an average human ear. Speed of sound in water = 1450m/s.
→
A neutron having kinetic energy 12.5eV collides with a hydrogen atom at rest. Nelgect the difference in mass between the neutron and the hydrogen atom and assume that the neutron does not leave its line of motion. Find the possible kinetic energies of the neutron after the event.
→
A Kundt's tube apparatus has a steel rod of length 1.0m clamped at the centre. It is vibrated in its fundamental mode at a frequency of 2600Hz. The lycopodium powder dispersed in the tube collects into heaps separated by 6.5cm. Calculate the speed of sound in steel and in air.
→
State the factor, which controls (i) wavelength of light and (ii) intensity of light, emitted by a LED.
→
A hollow spherical body of inner and outer radii $6\ cm$ and $8\ cm$ respectively floats half submerged in water. Find the density of the material of the sphere.
→
A platinum resistance thermometer reads $0^\circ$ when its resistance is $80\Omega$ and $100^{^\circ }$ when its resistance is $90\Omega$. Find the temperature at the platinum scale at which the resistance is $86\Omega.$
→
A simple microscope is rated 5 for a normal relaxed eye. What will be its magnifying power for a relaxed farsighted eye whose near point is 40cm?
→