this is your one stop solution. Your email address will not be published. Class 12 Maths Differentiation – Get here the Notes for Class 12 Maths Differentiation. Students can solve NCERT Class 12 Physics Alternating Current MCQs Pdf with Answers to know their preparation level. The sharpness of resonance depends upon: The sharpness of resonance increases or decreases with an increase or decrease in damping and as the amplitude increases, the sharpness of resonance decreases. 1.Phasor The representation of AC current and voltage by rotating vectors is calle^ phasor and the diagram representing these phasors is known as phasor diagram. While it can be defined in many ways, it’s most fundamental description is: average power dissipated energy stored Q=ω Thus, it is a measure of the ratio of stored vs. lost energy per unit time. Marks : 70 The weightage of the distribution of marks over different dimensions of the question paper shall be as follows: A. W eightage to content/ subject units Unit Marks Electrostatics 08 Current Electricity 07 Magnetic Effect of Current & Magnetism 08 Electromagnetic Induction and Alternating current 08 It is defined as the peak energy stored in the circuit divided by the average energy dissipated in it per radian at resonance. of Class 12 | Physics | Chapter Wise Derivation List | EduRev Notes for Class 12, the answers and examples explain the meaning of chapter in the best manner. Candidates who are ambitious to qualify the Class 12 with good score can check this article for Notes. 0 L B R Q ω == (1.19) Therefore: A band pass filter becomes more selective (small B) … Class 12 Maths Application of Derivatives Exercise 6.1 to Exercise 6.5, and Miscellaneous Questions NCERT Solutions are extremely helpful while doing your homework or while preparing for the exam. Physics . Important Derivations for CBSE Class 12 Physics. Quality factor of the LCR circuit. 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