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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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The MCQs: Near ultraviolet rays are; "Electromagnetic Spectrum" App (Android & iOS) with answers: Ionizing radiation; Visible waves; Microwaves; Radio waves; to learn online tutor courses. Practice Time Varying and Harmonic Electromagnetic Fields Questions and Answers, Google eBook to download free sample for online college admission.

## Electromagnetic Spectrum Questions and Answers : Quiz 30

MCQ 146:

Near ultraviolet rays are

1. visible waves
2. ionizing radiation
3. microwaves
4. radio waves
MCQ 147:

The electric components of the plane wave in the exponential form is

1. E(w,K)=Eoeikr-iwt
2. E(w,K)=Eoeikr+iwt
3. H(w,K)=Hoeikr-iwt
4. H(w,K)=Hoeikr-iwt
MCQ 148:

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

1. hydro power
2. electric arc
3. electricity
4. resistance
MCQ 149:

In E=hv, h is

1. Harmonic constant
2. Ioning constant
3. Plank constant
4. not a constant
MCQ 150:

F∇ where f is any quantity, result will be

1. gradient of f
2. curl operation on f
3. divergence operation on f
4. not operating

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