Class 12 Maths Chapter 1 Relations and Functions Notes

Class 12 Maths Chapter 1 Relations And Functions Notes

Free PDF download for Plus Two Maths revision notes and short key-notes to score more marks in your exams.

NCERT Solutions For Class 12 Mathematics Chapter 1 Relations & Functions

We will provide you NCERT solutions from Exercise 1.1 to Miscellaneous. Read on to find out.

Exercise 1.1

Exercise 1.2

Exercise 1.3

Exercise 1.4

Miscellaneous Exercise

NCERT Solutions For Class 12 Mathematics Chapter 1 Relations & Functions. All NCERT Solutions based on the latest syllabus 2020 are available to download as well as view online

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Class 12 Physics Chapter 1 Electric Charges and Fields Notes

Class 12 Physics Chapter 1 Electric Charges & Fields Notes Notes Of Class 12 Physics Chapter 1 Electric Charges and Fields - PDF Free Download Free PDF download for Plus Two physics revision notes and short key notes to score more marks in your exams. Electric Charges; Conservation of charge, Coulomb’s law-force between two point charges, forces between multiple charges; superposition principle and continuous charge distribution. Electric field, electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in uniform electric field. Electric flux, statement of Gauss’s theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside). Electric Charge, Method Of Charging, Basic Properties Of Charge Coulomb's Law, Coulomb's Law in vector form Electric Field, Electric Fi

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Energy Stored In A Capacitor We have already studied that capacitors store electrostatic energy in it. Today we will learn how they store energy? and how much energy can be store in a capacitor? As always to find the energy we have to find the work done. So, consider a small positive charge +dQ, work has to be done to transfer this small +dQ to move towards this positive plate(because it's against the electric field). This work is stored as potential energy. Work done W = charge X potential i.e, W =qV Here charge is dQ so we can write dW = dQ V = dQ Q/C ( from equation Q = CV ) integrating on both sides we get This equation consisted to be general equation. By substituting values of Q and C we get other 2 forms of energy stored in capacitor applying Q = CV in equation (1) applying C = Q/V in equation (1) Prev Next You may be Interested In Physics Previous Question Papers With Answers Browse more topics under Electrostatic Potential & Capacitance

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