Chapter 1 ELECTRIC CHARGES AND FIELDS

Screen Readable NCERT Class 12 Physics for blind and visually impaired students.

This Chapter is planned, organized and described by Dr. T K Bansal for visually impaired and blind students. All efforts have been made to make the chapter fully accessible by providing headings, describing figures and tables. The Chapter has been so designed that the students should enjoy studying this chapter and should move forward without any hurdles. The chapter has been thoroughly checked for any mistakes, still if you find any mistakes or have any suggestions to make it better, please write to us at ‘ blind2Visionary@gmail.com ‘. Your efforts will be highly appreciated.

Table of symbols used in this chapter:

 

Symbol Known As Used For Description
Minus Subtraction A dash sign
× Times Multiplication A normal cross sign
μ Mue Micro A Greek letter
÷ Divided by Division One Dot above and below a dash sign
~ Tilde   A wave like line
π Pi = circumference of a circle/diameter A Greek letter
Ε Epsilon Permittivity of medium A Greek letter
Prime     To make variables different A normal ‘ sign.
Double prime To make variables different Like a “ sign
Σ Sigma Summation     Capital Greek letter sigma
Square root Square root A radical sign
Angle Angle 2 small lines meeting on the left side
Rightwards arrow Corresponds to A rightwards arrow
Δ Delta A small increase Like a small triangle
Ω Omega   A Greek letter
Θ Theta Angle A Greek letter
Φ Phi Electric flux A Greek letter
Approximately equal to Approximately equal to A tilde over = sign
± Plus or minus Plus or minus A + over a -
Τ Tau Torque      A Greek letter
Σ Sigma Surface charge density Small Greek letter
λ Lambda Linear charge density A Greek letter
ρ ro Volume charge density A Greek letter
Α Alpha Angle      A Greek letter
° Degrees Degrees A small circle in superscript
Greater than or equal to Greater than or equal to A dash below a > sign.
Dot operator Dot product of vectors A normal dot sign
Vector or cross product Cross product of vectors A normal cross sign
Integral Integration   An elongated capital S