This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Physics Part I > Class 12 Physics (Part I) Chapter 2 Electrostatic Potential And Capacitance – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 2 Electrostatic Potential And Capacitance Quiz 2 (16 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which law states that the total electric flux through a closed surface is equal to the charge enclosed by the surface? A) Ohm's Law. B) Newton's Law of Motion. C) Faraday's Law. D) Gauss's Law. Show Answer Correct Answer: D) Gauss's Law. 2. A parallel-plate capacitor has an initial electric field 0 E between the plates. Now a dielectric is inserted between the plates. If the electric field with the dielectric is E, what is the relationship between 0 E and E? Assume the dielectric constant is 3K=. A) 0 EE=. B) 0 3 E E=. C) 0 3EE=. D) 0 3 E E=. Show Answer Correct Answer: B) 0 3 E E=. 3. What is the property of a material that opposes the flow of electric current? A) Permeability. B) Resistance. C) Inductance. D) Conductivity. Show Answer Correct Answer: B) Resistance. 4. Energy density in the capacitor is depends only on the A) Electric field. B) Capacitance. C) Potential. D) Size. Show Answer Correct Answer: A) Electric field. 5. The potential difference across the parallel plate capacitor is 30 V, Now a dielectric is introduced between the plates, potential is reduced to 15 V. What is the value of dielectric constant? A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: D) 2. 6. Capacitor is a device used to store ..... A) Electric charge and power. B) Electric charge and electric energy. C) Electric energy and power. D) Power and potential. Show Answer Correct Answer: B) Electric charge and electric energy. 7. What does Gauss's Law relate to? A) Ohm's Law. B) Newton's Law of Motion. C) Magnetic Field. D) Electric Charge Distribution. Show Answer Correct Answer: D) Electric Charge Distribution. 8. The units of capacitance are A) Ohms. B) Volts/coulomb. C) Coulombs/volt. D) Henry/wb. Show Answer Correct Answer: C) Coulombs/volt. 9. Every proton in the universe is surrounded by its own A) Gravitational field. B) Electric field. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 10. What is the property of a material that determines how much magnetic field it can withstand before losing its magnetism? A) Conductivity. B) Resistance. C) Permeability. D) Inductance. Show Answer Correct Answer: C) Permeability. 11. Increasing the separation of the two charged parallel plates of a capacitor, which are disconnected from a battery, will produce what effect on the capacitor? A) Increase capacitance. B) Increase charge. C) Decrease capacitance. D) Decrease charge. Show Answer Correct Answer: C) Decrease capacitance. 12. What is the phenomenon where a material becomes magnetized when exposed to a magnetic field? A) Capacitance. B) Magnetic Susceptibility. C) Inductance. D) Permeability. Show Answer Correct Answer: B) Magnetic Susceptibility. 13. ..... capacitors can be used only for Direct current applications. A) Paper. B) Air. C) Electrolytic. D) Mica. Show Answer Correct Answer: C) Electrolytic. 14. Electric field lines provide information about- A) Field strength. B) Direction. C) Nature of charge. D) All of these. Show Answer Correct Answer: D) All of these. 15. An electric field has A) Direction. B) Magnitude. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 16. The unit of electric dipole moment is- A) Newton. B) Coulomb. C) Farad. D) Debye. Show Answer Correct Answer: D) Debye. ← PreviousRelated QuizzesScience QuizzesClass 12 QuizzesClass 12 Physics (Part I) Chapter 2 Electrostatic Potential And Capacitance Quiz 1Class 12 Physics (Part I) Chapter 1 Electric Charges And Fields QuizClass 12 Physics (Part I) Chapter 3 Current Electricity QuizClass 12 Physics (Part I) Chapter 4 Moving Charges And Magnetism QuizClass 12 Physics (Part I) Chapter 5 Magnetism And Matter QuizClass 12 Physics (Part I) Chapter 6 Electromagnetic Induction QuizClass 12 Physics (Part I) Chapter 7 Alternating Current QuizClass 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books