Which of these is not a form of electromagnetic radiation?
a) light from your camp fire
b) ultraviolet causing a suntan
c) dc current from your car battery
d) radio signals
e) x-rays in the doctor's office

Waves are vibration that is transmitted through a medium

The correct option which is not a form of electromagnetic radiation is option C)

C) DC current from your car battery

The reason why option C is correct is presented as follows:

Electromagnetic radiation are a type of waves that is made up of flow of energy in  the form in packets propagating as both electric and magnetic waves that can travel though vacuum (empty space) or through a medium, including radiation and waves such as gamma radiation, visible light and radio waves;

The given options A) light from your camp fire B) Ultraviolet causing suntan, D) Radio signals, and E) X-rays in the doctor's office are electromagnetic waves given that they can propagate through empty space as observed in astronomy

The option C) DC current from your car battery, is not an electromagnetic wave because, it requires a medium, the electric cable to be transmitted, and the current moves in only one direction, making it not an electromagnetic wave

Therefore, the option which is not an electromagnetic wave is option C) DC current from your car battery

Learn more about electromagnetic radiation here:

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C) DC current from your car battery

Explanation:

Electromagnetic waves are waves consisting of oscillations of electric and magnetic fields perpendicular to each other.

Depending on their wavelength, electromagnetic waves are classified into 7 different types, known as electromagnetic spectrum. These types, from shortest to longest wavelength, are

Gamma rays

X- rays

Ultraviolet

Visible light

Infrared radiation

Microwaves

Radio waves

So, we see that all the following choices

A) light from your camp fire  (visible light)

B) ultraviolet causing a suntan

D) radio signals  (radio waves)

E) X-rays in the doctor's office

Are forms of electromagnetic radiation, while

C) DC current from your car battery

is not a form of electromagnetic radiation, since DC current consists of a flow of electrons.

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation: