AIIMS Physics: Questions 484 - 488 of 500

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Question number: 484

» Current Electricity » Electric Current

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 485

» Magnetic Effects of Current and Magnetism » Bar Magnet

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 486

» Magnetic Effects of Current and Magnetism » Moving Coil Galvanometer

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 487

» Current Electricity » Electric Cell and Its Internal Resistance

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 488

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

Appeared in Year: 2006

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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