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August 29, 2021

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Chapter - 1

Electric charges and fields

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Electric charges and fields :- Notes

Notes :- Hey Guys!! Here i am providing you notes of chapter 1 class 12th physics.. These are notes of what I taught in youtube videos.. so that you can revise your concepts accordingly… These are the notes of Electric charges and fields (from Electrostatics).. Hope this may help you… 😊 Electrostatic - charges at rest. {study of charges when charges are static(at rest) }. Electric Charges - Intrinsic property of a matter. Origin - Around 600BC -Thales of melatus, Greece Types of charges - To distinguish different charges Benjamin Franklin gave polarity - positive charge and negative charge. How is a charge created??? ...

Question Bank- Electrostatic Potential & Capacitance

Important questions of Chapter-2 class 12th Electrostatic Potential and Capacitance Questions on Electric potential, potential difference and work. Q . 1 The potential difference between two points is 10 V how much work will be done in carrying a charge of 200 µC from one point to the other point. Ans. 2 x 10^-3J Q . 2 What is the electric potential at the surface of a gold nucleus of diameter 13.2 fermi. Z for gold is 79. Ans. 1.7 x 10^7 volt. Q .3 If 20 J of work has to be done to move an electric charge of 4 C from a point, where potential is 10 V to another point, where potential is V volt, find the value of V. Ans. 15V . Q .4 The electric potential at 0.1 m from a point charge is +50 V. What is the magnitude and sign of the charge. ...

Electrostatic potential and capacitance notes

Electrostatic Potential and capacitance notes Chapter -2 class 12th Physics notes Typed Notes of electrostatic potential and capacitance Electrostatic potential • Electrostatic Potential of a body represents the degree of electrification of the body. It determines the direction of flow of charge between two charged bodies placed in contact with each other. The charge always flows from a body at higher potential to another body at lower potential. The flow of charge stops as soon as the potential of the two bodies become equal. Electrical potential difference- Electrostatic potential difference between two points is defined as the amount of work done in moving a unit positive test charge from one point to other point against electrostatic force without any acceleration. Its SI unit is J/C or V (volt). Potential difference is a scalar quantity. Electrostatic potential at any point in a region of electrostatic field is the minimum work done in carrying a...

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