GATE Physics: Questions 32 - 36 of 622

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Question number: 32

» Electronics » Operational Amplifiers

Appeared in Year: 2015

MCQ▾

Question

In the given circuit, if the open loop gain A=105 , the feedback configuration and the closed loop gain Af are,

The feedback configuration

The Feedback Configuration

In figure the feedback configuration is shown.

Choices

Choice (4) Response

a.

Series – shunt, Af=9

b.

Series – series, Af=10

c.

Shunt – shunt, Af=10

d.

Series – shunt, Af=10

Question number: 33

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2016

Short Answer Question▾

Write in Short

The kinetic energy of a particle of rest mass m0 is equal to its mass energy. Its momentum in units of m0c , where c is the speed of light in vacuum, is _ . (Give your answer up to two decimal places)

Question number: 34

» Mathematical Physics » Elements of Complex Analysis » Cauchy-Riemann Conditions

Appeared in Year: 2014

MCQ▾

Question

The matrix A=13[11+i1i1] is –

Choices

Choice (4) Response

a.

Symmetric

b.

Anti – symmetric

c.

Unitary

d.

Orthogonal

Question number: 35

» Classical Mechanics » Kepler Problem and Planetary Motion

Appeared in Year: 2014

MCQ▾

Question

A planet of mass m moves in a circular orbit of radius r0 in the gravitational potential (r)=kr , where k is a positive constant. The orbital angular momentum of the planet is –

Choices

Choice (4) Response

a.

r0km

b.

2r0km

c.

r0km

d.

2r0km

Question number: 36

» Thermodynamics and Statistical Physics » Calculation of Thermodynemic Quantities

Appeared in Year: 2016

Short Answer Question▾

Write in Short

N atoms of an ideal gas are enclosed in a container of volume V . The volume of the container is changed to 4V , while keeping the total energy constant. The change in the entropy of the gas, in units of NkBln2 , is _ , where kB is the Boltzmann constant.

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