AIIMS (All India Institute of Medical Sciences) Physics: Questions 484 - 489 of 500

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Question number: 484

» Current Electricity » Electric Current

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Question

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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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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Question number: 487

» Current Electricity » Electric Cell and Its Internal Resistance

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A cell of emf E is first connected to and then connected to resistance . If heat produced in both cases is same then, what is internal resistance of cell?

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Question number: 488

» Properties of Solids & Liquids » Surface Energy and Surface Tension

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Appeared in Year: 2006

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Area of liquid film is and surface tension is , what is the work done to change area up to : [RPMT]

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Question number: 489

» Current Electricity » Electric Cell and Its Internal Resistance

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The emf of a primary cell is , when it is shorted then it gives a current of . Calculate internal resistance of primary cell.

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