How can the electric current in a circuit be kept continuous?
Susmita asked: What is Current? How can electric current in a circuit be kept continuous? Ans: The word current means flow. Electric Current refers to charges in motion. The most common way of...
View ArticleFluorescent lamp flickers and incandescent lamp does not!
Swathi asked: Why do fluorescent lights flicker (tube lights) while Incandescent bulbs don’t , especially when they are switched on..Is it an effect of the pulses as sensed by the retina? Ans: If your...
View ArticleDifference between emf and pd
ananthesh asked: “can you please explain about emf and PD of a cell?” Answer: EMF stands for electromotive force. EMF of a cell is equal to the potential difference between the two terminals of a cell...
View ArticleIs ohm’s law universally applicable?
Amritha asked: “Is ohm’s law universally applicable?” Answer: The Ohm’s law states that “The current through a conductor is directly proportional to the potential difference applied across its ends...
View ArticleDifferences Between EMF and Potential Difference
What is main relationship between EMF and potiential difference? Answer: The question is already answered at http://askphysics.com/difference-between-emf-and-pd/ You may also like: Potential Difference...
View ArticlePotential Difference
Pawan Asked “What is meant by potential difference?” Answer: “Potential Difference between two points is the difference in Potential between the two points and is equal to the work done per unit charge...
View ArticleHow does a battery create potential difference?
How battery creates potential difference??? …plz give me a detailed description of it. Posted by Arti. Answer: Potential difference means “Difference in electrical potential. In an electrochemical...
View ArticleCapacitance, voltage and Potential difference
the capacity of parallel plate condenser is 5 micro Faraday. When a glass plate is placed between the plates of the conductor its potential become 1/8th of the original value. The value of dielectric...
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