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ISC Board Exam 2013 Physics 1 Paper

28 pages, 61 questions, 0 questions with responses, 0 total responses,

Yu Si
GEMS Modern Academy, Dubai

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B. ANALYSIS OF PERFORMANCE PART I (20 Marks) Answer all questions. Question 1 A. Choose the correct alternative (a), (b), (c) or (d) for each of the questions given below: (i) Relative permittivity of water is 81. If w and o are permittivities of water and vacuum respectively, then: (a) (b) o = 81 w (c) w = 9 o (d) (ii) o = 9 w w = 81 o Five resistors are connected as shown in Figure 1. 3 2 A B 6 8 12 Figure 1 The effective resistance i.e. equivalent resistance between the points A and B is: (a) (b) 5 (c) 15 (d) (iii) 4 20 The Biot Savart s Law in vector form is: dl I r (a) B o 4 r3 I dl r (b) B o 4 r3 2 [5]

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