AIIMS (All India Institute of Medical Sciences) Physics: Questions 485 - 489 of 500

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Question number: 485

» Magnetic Effects of Current and Magnetism » Bar Magnet

MCQ▾

Question

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

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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Question number: 487

» Current Electricity » Electric Cell and Its Internal Resistance

MCQ▾

Question

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

Appeared in Year: 2006

MCQ▾

Question

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

MCQ▾

Question

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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