Complete GATE PH 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 16–18 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 6 of 22

Question 16

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PHMCQ1 markNeeds review
The Hall experiment is carried out with a non-magnetic semiconductor. The current

is along the

-axis and the magnetic field

is along the

-axis. Which one of the following is the CORRECT representation of the variation of the magnitude of the Hall resistivity

as a function of the magnetic field?
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Question 17

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PHMCQ1 markNeeds review
Consider a two dimensional Cartesian coordinate system in which a rank 2 contravariant tensor is represented by the matrix

. The coordinate system is rotated anticlockwise by an acute angle

with the origin fixed. Which one of the following matrices represents the tensor in the new coordinate system?
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Question 18

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PHMCQ1 markNeeds review
A compound consists of three ions X, Y and Z. The Z ions are arranged in an FCC arrangement. The X ions occupy

of the tetrahedral voids and the Y ions occupy

of the octahedral voids. Which one of the following is the CORRECT chemical formula of the compound?
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