Electromagnetic Theory-Electrostatics: Gauss's Law and Its Applications (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 12 - 13 of 13

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Question number: 12

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

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Appeared in Year: 2016

MCQ▾

Question

The charge per unit length of a circular wire of radius in the plane, with its centre at the origin, is , where is a constant and the angle is measured from the positive axis. The electric field at the centre of the circle is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 13

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

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Appeared in Year: 2016

MCQ▾

Question

Two uniformly charged insulating solid sphere and , both of radius , carry total charges and , respectively. The sphere are placed touching each other as shown in the figure.

Two uniformly charged insulating solid sphere

Two Uniformly Charged Insulating Solid Sphere

If the potential at the centre of the sphere is and that at the centre of is , then the difference is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

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