Physics question

Jun 17th, 2015
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Choose the correct alternative (a), (b), (c) or (d) for each of the questions given below: [ 5 ] (i) Two point charges 17.7 C and -17.7C, separated by a very small distance, are kept inside a large hollow metallic sphere. Electric flux emanating through the sphere is: (a) 2 106 Vm (b) -2 106 Vm (c) Zero (d) 4 106 Vm

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PHYSICS PAPER 1 (THEORY)(Three hours)(Candidates are allowed additional 15 minutes for only reading the paper.They must _OT start writing during this time.)---------------------------------------------------------------------------------------------------------------------Answer all questions in Part I and six questions from Part II, choosing two questionsfrom each of the Sections A, B and C.All working, including rough work, should be done on the same sheet as, and adjacent to,the rest of the answer.The intended marks for questions or parts of questions are given in brackets [ ].(Material to be supplied: Log tables including Trigonometric functions)A list of useful physical constants is given at the end of this paper.--------------------------------------------------------------------------------------------------------------------- PART I (20 Marks) Answer all questions.Choose the correct alternative (a), (b), (c) or (d) for each of the questions given below: [ 5 ](i) Two point charges 17.7 C and -17.7C, separated by a very small distance, arekept inside a large hollow metallic sphere. Electric flux emanating through thesphere is:(a) 2 106 Vm(b) -2 106 Vm(c) Zero(d) 4 106 Vm(ii)unit of electrical conductivity is:

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