Questions 31–40 of 380. Imported answers require independent review unless marked reviewed.

Topic practice 380 questionsPage 4 of 38

Question 43

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PHMCQ2 marksNeeds review
In the circuit shown,

Volts, where

is in seconds, which of the following options is correct? (take the op amp to be ideal)
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Question 44

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Considering the circuit and the associated signals measured at different pins (numbered as 1, 2, 3, 4, 5) shown in the figure, the correct option is
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Question 45

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PHMCQ2 marksNeeds review
A gas of

classical particles that can occupy energy levels

and

is in equilibrium with a reservoir at temperature

. From the schematics shown below, choose the correct dependence of the internal energy

on

.
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Question 46

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PHMCQ2 marksNeeds review
The Lagrangian

with the generalized coordinate

is transformed to

. Consider the following statements: (i) Expression for the canonical momentum does not change. (ii) The equation of the motion does not change. Which of the following options is correct for the above statements?
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Question 47

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PHMCQ2 marksNeeds review
An infinitely large thin sheet in the

-plane carries uniform positive charge density and is moving with constant velocity

in the

direction (see figure below). The direction of the corresponding Poynting vector is
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Question 48

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A positive point charge is fixed at the origin. At some distance from it on the

axis, a point dipole is kept pointing in the

direction. The force on the dipole is
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Question 49

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PHMCQ2 marksNeeds review
Two frames

(solid lines) and

(dashed lines) with common origin are shown in the figure below. Frame

is inertial while

is rotating about the common

-axis. There is a point mass fixed at

on the

-axis of the

frame. The magnitude of the centrifugal force and the Coriolis force experienced by the mass in the

frame is

and

, respectively. Which of the following options is correct for these forces?
Diagram for Physics question 49

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Question 1

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GAMCQ1 markNeeds review
Is there any good show ______ television tonight?
Select the most appropriate option to complete the above sentence.
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Question 2

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As the police officer was found guilty of embezzlement, he was ______ dismissed from the service in accordance with the Service Rules.
Select the most appropriate option to complete the above sentence.
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Question 3

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The sum of the following infinite series is:
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