All India Engineering / Architecture Entrance Examination (AIEEE)

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AIEEE 2008 Physics

Q. 7. For current entering at A, the electric field at a distance 'r' from A is

Sol: Correct answer is (1)

Q. 8. Consider a uniform square plate of side 'a' and mass 'm'. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is

Sol:

Q. 9. An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distances are measured by

1. a meter scale provided on the microscope
2. a screw gauge provided on the microscope
3. a vernier scale provided on the microscope
4. a standard laboratory scale.

Sol: Correct answer is (3)

Q. 10. A horizontal overhead powerline is at a height of 4m from the ground and carries a current of 100 A from east to west. The magnetic field directly below it on the ground is

Sol:

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