AIIMS Physics: Questions 471 - 472 of 500

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Question number: 471

» Electrostatics » Electric Field Due to a Point Charge

Appeared in Year: 2000

MCQ▾

Question

Figure below show regular hexagon, the charges are placed at the vertices. In which of the following cases the electric field at the centre is zero. [AMU]

Choices

Choice (4) Response

a.

Regular hexagon with charges at vertices - Choice A

Regular Hexagon With Charges at Vertices - Choice A

In figure a regular hexagon is shown. And the charges are placed at the vertices of the hexagon.

b.

Regular hexagon with charges at vertices - Choice B

Regular Hexagon With Charges at Vertices - Choice B

In figure a regular hexagon is shown. And the charges are placed at the vertices of the hexagon.

c.

Regular hexagon with charges at vertices - Choice C

Regular Hexagon With Charges at Vertices - Choice C

In figure a regular hexagon is shown. And the charges are placed at the vertices of the hexagon.

d.

Regular hexagon with charges at vertices - Choice D

Regular Hexagon With Charges at Vertices - Choice D

In figure a regular hexagon is shown. And the charges are placed at the vertices of the hexagon.

Question number: 472

» Electrostatics » Gauss's Law

Appeared in Year: 2001

MCQ▾

Question

Electric charge is uniformly distributed along a long straight wire of radius 1 mm. The charge per cm length of the wire is Q coulomb. Another cylindrical surface of radius 50 cm and length 1 m symmetrically encloses the wire as shown in fig. The total flux passing through the cylindrical surface is –

A cylindrical surface enclosed a wire

A Cylindrical Surface Enclosed a Wire

In figure a cylindrical surface of 1 m long and radius 50 cm is enclosed a wire of radius 1 mm is shown.

[MP]

Choices

Choice (4) Response

a.

10Qπϵ0

b.

100Qϵ0

c.

100Qπϵ0

d.

Qϵ0

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