CSIR Physical Sciences: Questions 61 - 63 of 401

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Question number: 61

» Electromagnetic Theory » Gauss Law and Applications

Appeared in Year: 2012

MCQ▾

Question

Consider a hallow charged shell of inner radius Equation and outer radius Equation . The volume charge density is Equation (k is a constant) in the region Equation . The magnitude of the electric field produced at distance Equation is –

Choices

Choice (4) Response

a.

Equation for all Equation

b.

Equation for Equation and Equation for Equation

c.

Equation for Equation and Equation for Equation

d.

Equation for Equation and Equation for Equation

Question number: 62

» Electronics and Experimental Methods » Operational Amplifiers

Appeared in Year: 2012

MCQ▾

Question

In the Op – amp circuit shown in the figure below, the input voltage Equation is 1V. The value of the output Equation is – (June)

An operational amplifier circuit

An Operational Amplifier Circuit

Figure shows the op – amp circuit of input voltage Vi is 1V.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 63

» Classical Mechanics » Special Theory of Relativity » Mass-Energy Equivalence

Appeared in Year: 2012

MCQ▾

Question

Three particle of equal mass m are connected by two identical mass less springs of stiffness constant k as shown in figure –

A system of three particles and two springs

A System of Three Particles and Two Springs

In figure three particles of equal mass m are connected by two identical massless springs of stiffness constant k.

If Equation denote the horizontal displacements of the masses from their respective equilibrium position, the potential energy of the system is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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