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AIIMS (All India Institute of Medical Sciences) Physics: Questions 480 - 484 of 500

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Question 480

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 481

Appeared in Year: 2001

Question MCQ▾

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

Choices

Choice (4)Response

a.

Potential at the surface of cube is zero

b.

Electric field varies within the cube

c.

Potential within the cube is zero

d.

Electric field is normal to the surface of the cube

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Question 482

Appeared in Year: 2004

Question MCQ▾

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 –

[AIPMT]

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 483

Question MCQ▾

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.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 484

Question MCQ▾

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.

b.

c.

d.

Edit