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Here we have a given Class 12 Physics Important Questions for Maharashtra Board HSC Examination 2023. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, given following questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Physics Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Physics and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2023.
Class 12 Physics Important Questions | Chapter 8 Electrostatics
• Electrostatic energy of 3.5 x 10-4 J is stored in a capacitor at 700 V. What is the charge on the capacitor? (March 2013)
• What do you mean by polar molecules and non-polar molecules? Give one example of each. (Oct 2013)
• With the help of neat diagram, explain how non-polar dielectric material is polarized in external
electric field of increasing intensity. Define polarization in dielectrics. (Oct 2015)
Also read : Class 12 Chemistry Important Questions
• A conductor of any shape, having area 40 cm2 placed in air is uniformly charged with a charge 0.2 uC. Determine the electric intensity at a point just outside its surface. (March 2016)
• With the help of a neat diagram, describe the construction and working of Van de Graaff generator. (July 2016)
• A cube of marble having each side 1 cm is kept in an electric field of intensity 300 V/m. Determine the energy contained in the cube of dielectric constant 8. [Given: Eo= 8.85 x 10-12 C/Nm (March 2017)
• Obtain an expression for electric field intensity at a point outside uniformly charged thin plane sheet. (July 2017)
• A parallel plate air condenser has a capacity of 20 uF. What will be the new capacity if:
i. the distance between the two plates is doubled?
ii. a marble slab of dielectric constant 8 is introduced between the two plates? (March 2018)
• State Gauss's theorem in electrostatics. State the expression for electric field intensity at a point outside an infinitely long charged conducing cylinder. (July 2018)
• A 10 uF capacitor is connected with 100 V battery. What would be the electrostatic energy stored? (July 2018)
• Define capacitance of a capacitor and its S.I. unit. (March 2019)
• Obtain an expression for energy of a charged capacitor and express it in different forms. (July 2019)
• Explain the concept of a parallel plate capacitor. (March 2020)
• Capacity of a parallel capacitor with dielectric constant 5 is 40 uF. Calculate the capacity of the same capacitor when dielectric material is removed. (March 2020)
Also read : Class 12 Biology Important Questions
👉 Students are suggested to go through our Class 12 Physics Important Questions to score more in your upcoming 2023 Board Examination. 👇👇
Class 12 Physics Important Questions Chapter-wise
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