Electrical Engineering (EE) Exam > Electrical Engineering (EE) Videos > Electromagnetic Fields Theory (EMFT) > Electrostatics Potential & Capacitance
Electrostatics Potential & Capacitance Video Lecture | Electromagnetic Fields Theory (EMFT) - Electrical Engineering (EE)
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10 videos|45 docs|56 tests
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FAQs on Electrostatics Potential & Capacitance Video Lecture - Electromagnetic Fields Theory (EMFT) - Electrical Engineering (EE)
| 1. What is electrostatic potential? |  |
Ans. Electrostatic potential is the amount of electric potential energy per unit charge present at a specific point in an electric field. It represents the work done in bringing a unit positive charge from infinity to that point, without any acceleration.
| 2. How is electrostatic potential calculated? | |
Ans. The electrostatic potential at a point in an electric field can be calculated by dividing the work done in moving a positive test charge from infinity to that point by the magnitude of the test charge. Mathematically, it is expressed as V = W/q, where V is the electrostatic potential, W is the work done, and q is the test charge.
| 3. What is capacitance? | |
Ans. Capacitance is the ability of a capacitor to store electric charge. It is a measure of the amount of charge that can be stored per unit voltage across the capacitor. Capacitance is defined as C = Q/V, where C is the capacitance, Q is the charge stored, and V is the voltage across the capacitor.
| 4. How is capacitance calculated for a parallel plate capacitor? | |
Ans. For a parallel plate capacitor, the capacitance can be calculated using the formula C = ε₀A/d, where C is the capacitance, ε₀ is the permittivity of free space, A is the area of the plates, and d is the distance between the plates. The larger the area and the smaller the distance between the plates, the higher the capacitance.
| 5. What is the relationship between capacitance and potential difference? | |
Ans. The relationship between capacitance and potential difference is given by the formula Q = CV, where Q is the charge stored in the capacitor, C is the capacitance, and V is the potential difference across the capacitor. This equation shows that the charge stored in a capacitor is directly proportional to the potential difference across it, with capacitance acting as the proportionality constant.
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Nov 22, 2024 Last updated |
Video Description: Electrostatics Potential & Capacitance for Electrical Engineering (EE) 2024 is part of Electromagnetic Fields Theory (EMFT) preparation.
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