Physics MCQs 2nd Year Quiz 3 with answers Pdf download

Physics Chapter 1 Electrostatics Quiz 3 Multiple Choice Questions Bank for 12th Class Students. Mostly Physics MCQs Grade 12 taken from Past Papers of Board Exams, ECAT and MDCAT.MCQs for 2nd Year Physics with answers based on PCTB curriculum and approved by Pakistan Medical Commission and Engineering Council. All questions taken from the syllabus approved by National Curriculum Federal Government of Pakistan. Multiple Choice Questions Physics F.Sc. Part 2Chapter No.1 ElectrostaticsQuiz 3 Total MCQs = 50 1. If a dielectric is placed between the plates of a capacitor, its capacitance A. DecreasesB. IncreasesC. Remains constantD. None of these Show Answers Answer:B. Increases (adsbygoogle = window.adsbygoogle || []).push({}); 2. Doubling the distance between the plates of a capacitor, the capacitance: A. Increases to double B. Decreases to half C. Remains constant D. Decreases to one - fourth Show Answers Answer:B. Decreases to half 3. If the medium between plates of a capacitor be air or vacuum, then the capacitance of capacitor is: A. Aεο / 2d B. Aεο / d C. Ad / εο D. 2Aεο / d Show Answers Answer:B. Aεο / d (adsbygoogle = window.adsbygoogle || []).push({}); 4. If an insulating material called dielectric is introduced between the plates, the capacitance of capacitor is: A. Aεοεr / 2d B. Aεοεr / d C. Ad / εοεr D. 2Aεοεr / d Show Answers Answer:B. Aεοεr / d 5. The capacitance of a capacitor can be increased by A. Increasing the area of the plates B. Increasing the distance between plates C. Placing dielectric between them D. Both A & B Show Answers Answer:D. Both A & B Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 6. Dielectric constant εr can be defined as A. Cvac/Cmed B. Cmed/Cvac C. Cvac + Cmed D. Cmed - Cvac Show Answers Answer:B. Cmed/Cvac (adsbygoogle = window.adsbygoogle || []).push({}); 7. If 2µF and 4µF capacitors are connected in series, the resultant capacitance is A. 6μF B. 8μF C. 1.3μF D. 0.5μF Show Answers Answer:C. 1.3μF 8. If 2µF and 4µF capacitors are connected in parallel, the resultant capacitance is A. 6μF B. 8μF C. 1.3μF D. 0.5μF Show Answers Answer:A. 6μF (adsbygoogle = window.adsbygoogle || []).push({}); 9. The energy stored in the capacitor is: A. K.E B. Gravitational P.E C. Electric K.E D. Electric P.E Show Answers Answer:D. Electric P.E. 10. Due to polarization of the dielectric, the capacitance of the capacitor: A. Increases B. Decreases C. Remain constant D. Becomes zero Show Answers Answer:A. Increases Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 11. Due to polarization of the dielectric, the electric intensity between the plates of a capacitor: A. Increases B. Decreases C. Remain constant D. Becomes zero Show Answers Answer:B. Decreases (adsbygoogle = window.adsbygoogle || []).push({}); 12. Two equal and opposite equal charges separated by small distance are said to make a : A. Super conductor B. LED C. Dipole D. Insulator Show Answers Answer:C. Dipole 13. The energy stored in a charged capacitor is given by: A. 1/2 CV2 B. 1/2 C2V C. 1/2 Q2V D. 1/2 QV2 Show Answers Answer:A. 1/2 CV2 (adsbygoogle = window.adsbygoogle || []).push({}); 14. Which one of the following relations for the energy stored in capacitor is not correct? A. 1/2 CV2 B. 1/2 Q2 / C C. 1/2 QV D. None of these Show Answers Answer:D. None of these 15. If the potential difference across the two plates of a parallel plate capacitor is double then its energy stored in it will be: A. 2 times B. 4 times C. 16 times D. Remain same Show Answers Answer:B. 4 times Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 16. In a charged capacitor, the energy resides in: A. The negative plate B. The positive plate C. Both the negative and positive plates D. The field between the plates Show Answers Answer:D. The field between the plates (adsbygoogle = window.adsbygoogle || []).push({}); 17. The product of resistance and capacitance is A. Velocity B. Force C. Acceleration D. Time Show Answers Answer:D. Time 18. Time constant is defined as the time during which a capacitor charges to_____ of its equilibrium value. A. 63% B. 0.63% C. 37% D. Both A and B Show Answers Answer:D. Both A and B (adsbygoogle = window.adsbygoogle || []).push({}); 19. 1 ohm x 1 farad is equal to A. 1 ampere B. 1 coulomb C. 1 second D. 1 joule Show Answers Answer:C. 1 second 20. If time constant in RC circuit is small, the capacitor is charged or discharged A. Slowly B. Rapidly C. At constant Rate D. None of these Show Answers Answer:B. Rapidly Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 21. If a charged body is moved against the electric field, it will gain:[Lahore 2016 Group 1] A. P.EB. K.EC. Mechincal energyD. Electrical potential energy Show Answers Answer:D. Electrical potential energy (adsbygoogle = window.adsbygoogle || []).push({}); 22. Photocopier and inkjet printer are the application of:[Lahore 2016 Group 1] A. ElectrostaticsB. MagnetismC. ElectricityD. Electro-magnetism Show Answers Answer: A. Electrostatics 23. Two charges 1 µc and 5µc separated by 20cm, the ratio of electrical forces acting on them will be: [Lahore 2016 Group II] A. 1:02B. 1:05C. 1:01D. 5:01 Show Answers Answer:C. 1:01 (adsbygoogle = window.adsbygoogle || []).push({}); 24. Selenium is: [Lahore 2016 Group II] A. Insulator in lightB. Insulator in darkC. Conductor in darkD. Semiconductor in dark Show Answers Answer:B. Insulator in dark 25. The value of εo permittivity for free space is: [Gujranwala 2016] A. 8.85 x 10-12C2 N-1 m-2B. 8.85 x 10-12Nm2C-2C. 8.85 x 10-12NmC-2D. 8.85 x 10-12m2N-1 C2 Show Answers Answer:A. 8.85 x 10-12C2 N-1 m-2 Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 26. Selenium is a: [Rawalpindi 2016] A. ConductorB. PhotoconductorC. InsulatorD. Semiconductor Show Answers Answer:B. Photoconductor (adsbygoogle = window.adsbygoogle || []).push({}); 27. Capacitance of a capacitor does not depend upon:[Rawalpindi 2016] A. Distance between platesB. Area of platesC. Electric field between platesD. Medium between plates Show Answers Answer:C. Electric field between plates 28. If F1 and F2 are forces acting on ɑ-particle and electron respectively, when [Rawalpindi 2016] A. F1 = F2B. F1 > F2C. F1 < F2D. F1 = 4F2 Show Answers Answer:A. F1 = F2 (adsbygoogle = window.adsbygoogle || []).push({}); 29. The force between two similar unit charges placed one meter apart in air is: [FSD 2016] A. ZeroB. One NewtonC. 9 x 109 ND. 9 x 10-9 N Show Answers Answer:C. 9 x 109 N 30. The electric field lines are closer where the field is: [Multan 2016 Group I] A. StrongB. WeakC. UniformD. Variable Show Answers Answer:A. Strong Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 31. Capacitance of parallel plate capacitor is: [Multan 2016 Group I] A. 1.6 x 10-19 eVB. 1.6 x 1019 eVC. 6.25 x 10-18 eVD. 6.25 x 1018 eV Show Answers Answer:B. 1.6 x 1019 eV (adsbygoogle = window.adsbygoogle || []).push({}); 32. The electric field created by positive charge is: [Multan 2016 Group II] A. Radially inwardB. ZeroC. CircularD. Radially Outward Show Answers Answer:D. Radially Outward 33. The unit of Electric intensity other than NC-1 is: [Multan 2016 Group II] A. V/AB. V/mC. V/CD. N/V Show Answers Answer:B. V/m (adsbygoogle = window.adsbygoogle || []).push({}); 34. If the separation between the plates of a capacitor is doubled then its capacitance become [Sargodha 2016 Group I] A. DoubleB. HalfC. One fourthD. Three times Show Answers Answer:B. Half 35. One electron volt is equal to [Sargodha 2016 Group I] A. 1.6 x 10-19 JoulB. 1.6 x 10-19 CoulombC. 1.6 x 10-19 ND. 1.6 x 10-18 Joul Show Answers Answer:A. 1.6 x 10-19 Joul Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 36. Special organ called Ampullae of lorenzini that are very sensitive to electric field are found in [Sargodha 2016 Group II] A. BatsB. CatsC. DogesD. Sharks Show Answers Answer:D. Sharks (adsbygoogle = window.adsbygoogle || []).push({}); 37. If potential difference across two plates of a parallel plates capacitor is doubled then the energy stored in it will be [Sargodha 2016 Group II] A. 2-timesB. 4-timesC. 8-timesD. Remain same Show Answers Answer:B. 4-times 38. The constant of proportionality "K" depend upon: A. Nature of medium between two charges B. The system of units C. Nature of charge bodies D. Nature of medium between two charges and system of units Show Answers Answer:B. The system of units (adsbygoogle = window.adsbygoogle || []).push({}); 39. An ECG records the_______between points on human skin generated by electric process in the heart: A. Hert Beat B. Pulse Rate C. Pressure D. Voltage Show Answers Answer:D. Voltage 40. For computation of electric flux, the surface area should be A. Parallel B. Curved C. Spherical D. Flat Show Answers Answer:D. Flat Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 41. The electron volt is the unit of A. Electric current B. Electric energy C. Potential D. Potential difference Show Answers Answer:B. Electric energy (adsbygoogle = window.adsbygoogle || []).push({}); 42. One Joule is equal to A. 6.25 x 10-19 eV B. 6.25 x 1019 eV C. 6.25 x 1018 eV D. 6.25 x 10-18 eV Show Answers Answer:C. 6.25 x 1018 eV 43. When dielectric is placed between the plates of capacitor, The value of E between the plates A. Increase B. Zero C. Decrease D. Infinite Show Answers Answer:C. Decrease (adsbygoogle = window.adsbygoogle || []).push({}); 44. The number of electrons in one coulomb charge is equal to A. 6.25 x 1018 B. 1.6 x 10-19 C. 6.25 x 10-18 D. 1.6 x 1019 Show Answers Answer:A. 6.25 x 1018 45. The relation "-ΔV/Δr" represents A. Gauss's Law B. Electric flux C. Electric intensity D. Potential difference Show Answers Answer:C. Electric intensity Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com 2nd Year Physics MCQs F.Sc. Part 2Chapter No.1ElectrostaticsTotal MCQs = 50 Multiple Choice Questions 2nd Year MCQs Physics F.Sc. Part 2 Chapter No.1 ElectrostaticsBest MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission 46. Photocopier and inkjet printer are the application of: A. Electronics B. Electricity C. Magnetism D. Electrostatics Show Answers Answer:D. Electrostatics (adsbygoogle = window.adsbygoogle || []).push({}); 47. The force between two point charges separated by air is 4 N. When separated by a medium of relative permittivity 2, the force between them becomes; A. 1/2 N B. 2N C. 4N D. 8N Show Answers Answer:B. 2N 48. The value of Coulomb's constant (K) in SI units is A. 9 x 109Nm2C-2 B. 9 x 109NC2m-2 C. 9 x 109N-1m2C2 D. 9 x 109Nm2C2 Show Answers Answer:A. 9 x 109Nm2C-2 (adsbygoogle = window.adsbygoogle || []).push({}); 49. Which one of the following can be taken as measure of electric field intensity: A. F/A B. φe/A C. qA/εo D. φ εo/A Show Answers Answer:B. φe/A 50. The concept of electric field theory was introduced by A. Coulomb B. Faraday C. Einstein D. Joseph-Henry Show Answers Answer:B. Faraday Click for More Online Physics 12th Class MCQs Online Tests Feel free to Contact us admin@786Times.com (adsbygoogle = window.adsbygoogle || []).push({}); We also available on Social Mediaat facebook( fb )https://facebook.com/786Timespkhttps://facebook.com/786TimesnewsAlso available onTwitter ID: https://twitter.com/786times (adsbygoogle = window.adsbygoogle || []).push({});