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Q15. A cube of side 'a' has a charge Q at each of its vertices, what is the potential due to this charge array at the centre of the cube? (a) 4Q / (3πε₀a) (b) Q / (√3πε₀a) (c) 2Q / (√3πε₀a) (d) 8Q / (πε₀a)

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Q36. Match List I with List II LIST I A. Capital called only in the event of winding up of the company B. Other name of Registered Capital C. Subscribed Capital is a part of which capital D. A type of capital profit LIST II I. Nominal Capital II. Issued Capital III. Capital Reserve IV. Reserve Capital Choose the correct answer Horn the options given below:

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Q22. Match the blanks in List - I with suitable articles in List - II List-1 (A) Yesterday ______ European called at my office. (B) ______ sun shines bright. (C) Haven't you had ______ dinner yet? (D) I had ______ unexpected encounter. List - II (I) an (II) a (III) the (IV) No article Choose the correct answer from the options given below: (a) (A)-(IV), (B)-(III), (C)-(II), (D)-(1) (b) (A)-(I), (B)-(II), (C)-(IV), (D)-(III) (c) (A)-(II), (B)-(IV), (C)-(I), (D)-(III) (d) (A)-(II), (B)-(III), (C)-(IV), (D)-(1)

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