Electromagnetic Theory-Electrostatics: Gauss's Law and Its Applications [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 12 - 14 of 15

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Question 12

Appeared in Year: 2016

Question MCQ▾

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.

Edit

Question 13

Appeared in Year: 2016

Question MCQ▾

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

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.

Edit

Question 14

Appeared in Year: 2020

Question MCQ▾

A battery is connected in series to a resistor R and a capacitor C, as shown the figure.

Battery is Connected in Series to a Resistor R and A

The initial charge on the capacitor is zero. The switch is turned on and the capacitor is allowed to charge to its full capacity. The total work done by the battery in this process is

Choices

Choice (4)Response

a.

b.

c.

d.

(b)

Edit