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XII Physics Sample Paper, Set-5
Instructions: 1. Section-A  Q. no. 1-8 carry 1 mark each.2. Section-B  Q. no. 9-18 carry 2 marks each.3. Section-C  Q. no. 19-27 carry 3 marks each.4. Section-D  Q. no. 28-30 carry 5 marks each. Section-A 1. Two wires of equal length, one of copper and the other of magnin have the same resistance. Which wire is thicker? Ans. Magnin as resistivity is more. 2. Mention two c...

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XII Physics Sample Paper, Set-4
Instructions: 1. Section-A  Q. no. 1-8 carry 1 mark each.2. Section-B  Q. no. 9-18 carry 2 marks each.3. Section-C  Q. no. 19-27 carry 3 marks each.4. Section-D  Q. no. 28-30 carry 5 marks each. Section-A 1. The P.d. across a given copper wire is doubled .What happens to the drift velocity of charge carriers? Ans. Doubled as current increases. 2. You are asked to measure ...

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XII Physics Sample Paper, Set-3
Instructions: 1. Section-A  Q. no. 1-8 carry 1 mark each.2. Section-B  Q. no. 9-18 carry 2 marks each.3. Section-C  Q. no. 19-27 carry 3 marks each.4. Section-D  Q. no. 28-30 carry 5 marks each. Section-A 1. How will the magnetic field intensity at the centre of circular coil of radius R is changed if current through coil doubled and radius of coil is halved? Ans. As ...

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XII Physics Sample Paper, Set-2
Instructions: 1. Section-A  Q. no. 1-8 carry 1 mark each.2. Section-B  Q. no. 9-18 carry 2 marks each.3. Section-C  Q. no. 19-27 carry 3 marks each.4. Section-D  Q. no. 28-30 carry 5 marks each. Section-A 1. S1 and S2 are two hollow concentric spheres enclosing charges q and 2q respectively. (i) What is the ratio of electric flux through S1 and S2? (ii) How will the elect...

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XII Physics Sample Paper, Set-1
Instructions: 1. Section-A  Q. no. 1-8 carry 1 mark each.2. Section-B  Q. no. 9-18 carry 2 marks each.3. Section-C  Q. no. 19-27 carry 3 marks each.4. Section-D  Q. no. 28-30 carry 5 marks each. Section-A 1. What is the work done in moving a test charge q through a distance of 1cm along the equatorial axes of dipole? Ans. Zero as WAB = q(VB - VA) = 0 as VA =...

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