Electrostatics-Forces Between Two Point Charges (AIIMS Physics): Questions 1 - 2 of 2

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Question number: 1

» Electrostatics » Forces Between Two Point Charges

Appeared in Year: 2004

MCQ▾

Question

In the basic CsCl crystal structure, Cs+ and CI- ions are arranged in a bcc configuration as shown below. The net electrostatic force exerted by the eight Cs+ ions on the CI- ion is, [AIIMS]

The basic CsCl crystal structure

The Basic CsCl Crystal Structure

In figure the basic CsCl crystal structure is shown, in which Cs + and CI- ions are arranged in a bcc configuration.

Choices

Choice (4) Response

a.

14π04e23a2

b.

zero

c.

14π016e23a2

d.

14π032e23a2

Question number: 2

» Electrostatics » Forces Between Two Point Charges

Appeared in Year: 2004

MCQ▾

Question

A charged oil drop is suspended in a uniform field of 3×104Vm so that it neither falls nor rises. The charge on the drop will be –

(Take the mass of the charge =9.9×1015kg and g=10ms2 ) (AIEEE)

Choices

Choice (4) Response

a.

4.8×1018C

b.

1.6×1018C

c.

3.2×1018C

d.

3.3×1018C

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