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Electromagnetic Theory Certification Exam Tests

Electromagnetic Theory Practice Test 30

# Electromagnetic Spectrum MCQ (Multiple Choice Questions) PDF - 30

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## Electromagnetic Spectrum Questions and Answers : Quiz 30

MCQ 146: Near ultraviolet rays are

A) visible waves
C) microwaves

MCQ 147: The electric components of the plane wave in the exponential form is

A) E(w,K)=Eoeikr-iwt
B) E(w,K)=Eoeikr+iwt
C) H(w,K)=Hoeikr-iwt
D) H(w,K)=Hoeikr-iwt

MCQ 148: The poles of an electromagnet can even be reversed by reversing the flow of

A) hydro power
B) electric arc
C) electricity
D) resistance

MCQ 149: In E=hv, h is

A) Harmonic constant
B) Ioning constant
C) Plank constant
D) not a constant

MCQ 150: F∇ where f is any quantity, result will be

B) curl operation on f
C) divergence operation on f
D) not operating

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