2nd PUC Physics Series-5 December 3, 2020December 23, 2020wefru PUC Science 2nd Year Physics Series-5 quiz 1 Created on December 02, 2020 By wefru 2nd PUC Physics Series 5 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 41. Twenty seven drops of mercury are charged simultaneously to the same potential of 10 volts. What will be potential if all the charged drops are made to combine to form one large drop ? 180 V 90 V 97 V 0 V 2 / 10 42.The P.E. of an electric dipole is maximum when it makes an angle θ with electric field. The value of θ is : π2 π zero 3π2 3 / 10 43.The amount of work required to increase the distance between -6µC and 4µC from 6 cm to 18 cm will be : 1.8 J 2.4 J 5.1 J 0 J 4 / 10 Q.44 An electron initially at rest is accelerated through a potential difference of one volt. The energy gained by electron is: 1 J 1.6 × 10-19 J 6 × 10-19 J 10-19 J 5 / 10 45.A bird sitting on a high power line: gets killed instantly gets a mild shock gets a fatal shock is not affected practically 6 / 10 46.Choose the SI unit of electric potential energy : Joule Coulomb Netwon per coulomb Erg 7 / 10 Q.47 The capacitance of earth, viewed as a spherical conductor of radius 6408 km is: 1420 µF 712 µF 12 µF 0 µF 8 / 10 Q.48 A capacitor is connected to a cell of emf E having some internal resistance r, the potential across the: cell is < E cell is E cell is > E capacitor is E 9 / 10 49. If a +ve charge is moved from low to high potential region,the electric potential energy: decreases increases remain the same may increase or decrease 10 / 10 Q.50 A capacitor is connected across a battery and the plate separation of capacitor is increased without removing the battery, then: capacitance will increase charge stored will increase energy stored will decrease potential difference will increase Your score isThe average score is 20% LinkedIn Facebook Twitter VKontakte 0% Restart quiz