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Learn how to calculate the electric field strength and direction around a charged particle using the electric field formula derived from Coulomb's Law. See how the electric field formula is used in various fields of physics and engineering with a practical example. Learn about the electric field in physics: clear definition, simple formula (E = F/q), important points, and real-life applications. Perfect for Class 10 stu. An Electric field can be considered an electric property associated with each point in the space where a charge is present in any form. An electric field is also described as the electric force per unit charge. Electric fields are usually caused by varying magnetic fields or electric charges. The Electric field is measured in N/C. Solved Examples Example 1 A force of 5 N is acting on the charge 6 μ C at any point. Determine the electric field intensity at that point. Solution Given Force F = 5 N Charge q = 6 μ C Electric field formula is given by E = F / q = 5N / 6×10 −6 C E = 8.33 × 10 5 N/C.
