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Natasha2012 [34]

4 years ago

11

What are three properties of electromagnetic waves?

2 answers:

maks197457 [2]4 years ago

7 0

Option C is the correct answer.

Zolol [24]4 years ago

5 0

The three properties of electromagnetic waves are; they travel at the speed of light, they include ultraviolet waves, and they can transfer energy through empty space.

<h2>Further Explanation</h2><h3>A wave</h3>

A wave is a transmission of a disturbance. It involves transmission of energy from one point which is the source to another point.
Waves may be classified depending on the need for a transmission medium or based on the vibration of particles relative to the direction of wave motion.
Waves may be either transverse or longitudinal based on the direction of wave motion relative to the vibration of particles
Additionally waves may be classified as either electromagnetic wave or mechanical based on the need for a transmission medium.

<h3>Electromagnetic waves </h3>

Electromagnetic waves are types of waves that do not require a material medium for transmission.
All waves of the electromagnetic spectrum are electromagnetic transverse waves that do not require a material medium for transmission.
They include; radio waves, microwaves, infrared, visible light, ultra-violet, x-rays, and gamma rays.
All waves of the electromagnetic spectrum travel with a speed of light, 3.0 x10^8 m/s.
Additionally, electromagnetic waves possess energy that is given by; E = hf; where h is the plank's constant and f is the frequency.

keywords: Wave, electromagnetic wave, electromagnetic spectrum

<h2>Learn more about: </h2>

Waves: brainly.com/question/5354733
Electromagnetic waves: brainly.com/question/5354733
Electromagnetic spectrum: brainly.com/question/5354733
Velocity, speed and wavelength: brainly.com/question/11898955

Level: High school

Subject: Physics

Topic: Electromagnetic spectrum

Sub-topic: Properties of an electromagnetic waves

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A battery of voltage 9.0 V produces a current of 0.0175 A across a circuit. What is the resistance of the circuit?

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8 0

3 years ago

Brayden and Riku now use their skills to work a problem. Find the equivalent resistance, the current supplied by the battery and

Liono4ka [1.6K]

a) $5 \Omega$ , 1.6 A

b) $6 \Omega$ , 1.33 A

Explanation:

a)

In this situation, we have two resistors connected in series.

The equivalent resistance of resistors in series is equal to the sum of the individual resistances, so in this circuit:

$R=R_1+R_2$

where

$R_1=4\Omega$

$R_2=1 \Omega$

Therefore, the equivalent resistance is

$R=4+1=5 \Omega$

Now we can use Ohm's Law to find the current flowing through the circuit:

$I=\frac{V}{R}$

where

V = 8 V is the voltage supplied by the battery

$R=5\Omega$ is the equivalent resistance of the circuit

Substituting,

$I=\frac{8}{5}=1.6 A$

The two resistors are connected in series, therefore the current flowing through each resistor is the same, 1.6 A.

b)

In this part, a third resistor is added in series to the circuit; so the new equivalent resistance of the circuit is

$R=R_1+R_2+R_3$

where:

$R_1=4\Omega\\R_2=1\Omega\\R_3=1\Omega$

Substituting, we find the equivalent resistance:

$R=4+1+1=6 \Omega$

Now we can find the current through the circuit by using again Ohm's Law:

$I=\frac{V}{R}$

where

V = 8 V is the voltage supplied by the battery

$R=6\Omega$ is the equivalent resistance

Substituting,

$I=\frac{8}{6}=1.33 A$

And the three resistors are connected in series, therefore the current flowing through each resistor is the same, 1.33 A.

3 0

3 years ago