AIIMS Physics: Questions 480 - 483 of 500

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Question number: 480

» Current Electricity » Electric Current

MCQ▾

Question

The current through a wire depends on time as Equation . Calculate the charge crossed through a cross section of the wire in Equation .

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 481

» Electrostatics » Gauss's Law

Appeared in Year: 2001

MCQ▾

Question

A cube of metal is given a charge Equation , which of the following statements is true: [MP PET]

Choices

Choice (4) Response

a.

Electric field is normal to the surface of the cube

b.

Potential within the cube is zero

c.

Electric field varies within the cube

d.

Potential at the surface of cube is zero

Question number: 482

» Rotational Motion » Moment of Inertia

Appeared in Year: 2004

MCQ▾

Question

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

[AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 483

» Electrostatics » Electric Field

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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