Electrostatics (AIIMS (All India Institute of Medical Sciences) Physics): Questions 3 - 7 of 36

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Question number: 3

» Electrostatics » Torque on a Dipole in a Uniform Electric Field.

Appeared in Year: 1994

MCQ▾

Question

An electric dipole is placed in non-uniform electric field, then it experiences: - [RPMT, AIIMS 2003]

Choices

Choice (4) Response

a.

linear resultant force and torque

b.

Only torque

c.

No force

d.

Only linear resultant force

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Question number: 4

» Electrostatics » Capacitors

Appeared in Year: 2004

MCQ▾

Question

A 40 µF capacitor in a defibrillator is charged to 3000 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2 ms. The power delivered to the patient is – [AIIMS]

Choices

Choice (4) Response

a.

360 kW

b.

90 kW

c.

180 kW

d.

45 kW

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Question number: 5

» Electrostatics » Equipotential Surfaces

Appeared in Year: 2004

MCQ▾

Question

Equipotential surface associated with an electric field which is increasing in magnitude along the x-direction, are – [AIIMS]

Choices

Choice (4) Response

a.

Planes parallel to XY – plane

b.

Planes parallel to XZ – plane

c.

Planes parallel to YZ – plane

d.

Coaxial cylinders of increasing radii around the X – axis

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Question number: 6

» Electrostatics » Conductors and Insulators

Appeared in Year: 2002

MCQ▾

Question

A conducting sphere of radius 10 cm is charged with 10 µC. Another uncharged sphere of radius 20 cm is allowed to touch it for some time. After that if the sphere are separated, then surface density of charged on the spheres will be in the ratio of: [AIIMS]

Choices

Choice (4) Response

a.

1: 4

b.

1: 3

c.

2: 1

d.

1: 1

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Question number: 7

» 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]

Choices

Choice (4) Response

a.

Equation

b.

zero

c.

Equation

d.

Equation

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