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Electromagnetic Theory Practice Test 43

# Cloak Devices Quiz PDF: Questions and Answers - 43

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## Cloak Devices Questions and Answers : Quiz 43

MCQ 211: A prototype metascreen is a

A) cloaking device
B) blocking device
C) uncloaking device
D) triloaking device

MCQ 212: Material structures whose constitutive parameters (permitivity and permeability) are both negative, often referred to as a

A) NG
B) DNG
C) TNG
D) DPG

MCQ 213: When an electric field is applied to a nonpolar or polar dielectric material, on the upper surface there exists a net

A) negative charge density
B) neutral charge density
C) positive charge density
D) no charge density

MCQ 214: Separation of positive and negative charges are termed as

A) electric dipole
B) magnetic dipole
C) electronic dipole
D) mechanical dipole

MCQ 215: In a paramagnetic material there are

A) paired electrons
B) unpaired electrons
C) unpaired photons
D) paired photons

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