AIIMS (All India Institute of Medical Sciences) Physics: Questions 482 - 486 of 500

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Question number: 482

» Rotational Motion » Moment of Inertia

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Appeared in Year: 2004

MCQ▾

Question

A round disc of moment of inertia about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia rotating with an angular velocity about the same axis. The final angular velocity of the combination of discs is –

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Question number: 483

» Electrostatics » Electric Field

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MCQ▾

Question

A hollow charged metal sphere has radius . If the potential difference between its surface and a point at distance from the centre is . Find out the electric field intensity at a distance from the centre.

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Question number: 484

» Current Electricity » Electric Current

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The number of electron passing through a heater wire in 30 seconds, if it carries a current of 10 A is approximately –

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Question number: 485

» Magnetic Effects of Current and Magnetism » Bar Magnet

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The magnetic field at a distance from a long magnet, which has magnetic pole strength , is –

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Question number: 486

» Magnetic Effects of Current and Magnetism » Moving Coil Galvanometer

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MCQ▾

Question

A galvanometer coil has a resistance of and it shows full scale deflection for a current of . Calculate the value of resistance required to convert it into an ammeter of range .

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