Magnetic Effects of Current and Magnetism-Para, Dia and Ferro-Magnetic Substances (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 2 of 2

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Question number: 1

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2015

MCQ▾

Question

Consider the regular array of vertical identical current carrying wires (with direction of current flow as indicated in the figure below) producing through a horizontal table. If we scatter some diamagnetic particles on the table, they are likely to accumulate.

Regular array of vertical identical current carrying wires

Regular Array of Vertical Identical Current Carrying Wires

In figure a regular array of vertical identical current carrying wires producing through a horizontal table is shown. The direction of current flow as indicated in the figure.

Choices

Choice (4) Response

a.

Around regions such as B

b.

In circular regions around individual wires such as C

c.

Uniformly everywhere.

d.

Around regions such as A

Question number: 2

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2016

MCQ▾

Question

A metallic sphere is kept in between two oppositely charged plates. The most appropriate representation of the field lines is –

Choices

Choice (4) Response

a.

A metallic sphere is kept between two plates : Choice A

A Metallic Sphere Is Kept Between Two Plates: Choice A

Figure shows a metallic sphere is kept between two oppositely charged plates.

b.

A metallic sphere is kept between two plates : Choice B

A Metallic Sphere Is Kept Between Two Plates: Choice B

Figure shows a metallic sphere is kept between two oppositely charged plates.

c.

A metallic sphere is kept between two plates : Choice C

A Metallic Sphere Is Kept Between Two Plates: Choice C

Figure shows a metallic sphere is kept between two oppositely charged plates.

d.

A metallic sphere is kept between two plates : Choice D

A Metallic Sphere Is Kept Between Two Plates: Choice D

Figure shows a metallic sphere is kept between two oppositely charged plates.

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