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Electric Field Intensity due to Point Charge, EMFT, Electrical Engineering, GATE Video Lecture

FAQs on Electric Field Intensity due to Point Charge, EMFT, Electrical Engineering, GATE Video Lecture

1. What is the formula for calculating the electric field intensity due to a point charge?

Ans. The formula for calculating the electric field intensity (E) due to a point charge is given by Coulomb's Law: E = k*q/r^2, where k is the electrostatic constant (8.99 x 10^9 Nm^2/C^2), q is the charge of the point charge, and r is the distance from the point charge to the location where the electric field intensity is being measured.

2. How does electric field intensity vary with distance from a point charge?

Ans. The electric field intensity decreases with increasing distance from a point charge. This relationship follows the inverse square law, which states that the electric field intensity is inversely proportional to the square of the distance from the point charge. As the distance doubles, the electric field intensity decreases to one-fourth of its original value.

3. What is EMFT in the context of electrical engineering?

Ans. EMFT stands for Electromagnetic Field Theory. It is a branch of electrical engineering that deals with the study of electric and magnetic fields, their interactions, and their applications. EMFT encompasses various principles and laws, including Maxwell's equations, which describe the behavior of electromagnetic fields.

4. What is the significance of electric field intensity in electrical engineering?

Ans. Electric field intensity is a crucial parameter in electrical engineering as it helps determine the behavior and characteristics of electric fields. It is used to calculate the force experienced by charged particles, the potential difference between two points, and the distribution of electric charges. Understanding electric field intensity is essential for designing electrical systems, analyzing circuit behavior, and ensuring safe and efficient operation.

5. How can understanding electric field intensity be helpful for GATE exam preparation in electrical engineering?

Ans. Understanding electric field intensity is crucial for GATE exam preparation in electrical engineering as it is a fundamental concept tested in the exam. Questions related to the calculation of electric field intensity due to point charges, its variation with distance, and its application in circuit analysis are frequently asked. A thorough understanding of electric field intensity will help in solving such questions accurately and efficiently, thereby improving overall performance in the GATE exam.

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Oct 21, 2025 Last updated

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