02%20-%20Physics%20-%20March%202006

02%20-%20Physics%20-%20March%202006 - Time : 3 hours 02 -...

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Time : 3 hours 02 - Physics - March 2006 Marks : 100 Pg - 1 Instructions : 1. There are 4 Sections and total 60 questions in this question paper. 2. Symbols used in this question paper have their usual meanings. 3. Log table or simple electronic calculator can be used. 4. Write new Section on a new page. S E C T I O N A Questions 1 to 16 are multi - choice questions. Choose the correct option. Each question is of ONE mark. 16 1. The radius of a conducting spherical shell is 10 mm and a 100 μ C charge is spread on it. The force acting on a 10 μ C charge placed at its centre is ( Take k = 9 x 10 9 MKS ). ( a ) 10 3 N ( b ) 10 2 N ( c ) zero ( d ) 10 5 N 2. The potential energy of the system in which one electron is brought closer to another electron will ….. ( a ) increase ( b ) not change ( c ) decrease ( d ) become zero 3. The maximum amount of current which can be drawn from the battery, whose emf is equal to 12 V and internal resistance 0.4 Ω , will be equal to ( a ) 24 A ( b ) 30 A ( c ) 4.8 A ( d ) 48 A 4. Select the correct statement from the following : ( a ) Peltier effect is the combined effect of Seebeck and Thomson effects. ( b ) Thomson effect is the combined effect of Peltier and Seebeck effects. ( c ) Seebeck effect is the combined effect of Peltier and Thomson effects. ( d ) None of the above. 5. A charged particle is moving through a uniform magnetic field, then its ….. ( a ) momentum changes but kinetic energy does not change. ( b ) both momentum and kinetic energy change. ( c ) momentum and kinetic energy do not change. ( d ) kinetic energy changes but momentum does not change. 6. At a place, horizontal component of earth’s magnetic field is 3 times its vertical component. The angle of dip at the place is ( a ) 0 ( c ) 3 π rad ( c ) 6 π rad ( d ) 2 π rad 7. If a stationary charged particle does not experience any net electromagnetic force, then … ( a ) magnetic field may be zero or nonzero ( b ) magnetic field must be zero ( c ) electric field may be zero or nonzero ( d ) electric field must be zero
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Time : 3 hours 02 - Physics - March 2006 Marks : 100 Pg - 2 8. The real power in an A. C. circuit containing only inductor is equal to ….. W. ( a ) 2 I L 2 1 ( b ) I L 2 1 ( c ) ( d ) zero 2 L 2 I 9. According to Maxwell, a changing electric field produces ….. ( a ) emf ( b ) electric current ( c ) magnetic field ( d ) radiation pressure 10. Focal length of the lens of the eye is changed by ….. ( a ) retina ( b ) cornea ( c ) ciliary muscles ( d ) crystalline lens 11. In Young’s experiment, the distance between the two slits is halved and the distance between the screen and the slit is doubled. The width of the fringe ….. ( a )
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This note was uploaded on 11/28/2011 for the course PHYSICS 300 taught by Professor Smith during the Spring '06 term at ITT Tech Flint.

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02%20-%20Physics%20-%20March%202006 - Time : 3 hours 02 -...

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