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Kobotan [32]
3 years ago
14

Radio waves are propagated through the interaction of:.

Physics
1 answer:
cluponka [151]3 years ago
5 0

Answer:

Electric and magnetic fields:

Maxwell's equations tell us that

a changing magnetic field creates a changing electric field      and

a changing electric field creates a changing magnetic field

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3 years ago
A critical period begins and ends abruptly
STatiana [176]

Answer:

yes

Explanation:

<em>A critical period? </em>

<em>A.begins and ends abruptly </em>

<em>B.begins and ends gradually </em>

<em>C.is unaffected by stimuli </em>

<em>D.is unlikely to impact development</em>

<em>correct answer (A.begins and ends abruptly )</em>

8 0
3 years ago
What is the speed of a wave if the wavelength is 50 meters and the period is 10 seconds?
Karolina [17]
Based on the information you provided, this means the wave is traveling 50 meters every ten seconds. Meaning it is traveling 50/10 meters per second.
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8 0
3 years ago
Read 2 more answers
Calculate P3 (in W). W (b) Find the total power (in W) supplied by the source. W Compare the total power with the sum of the pow
noname [10]

Answer:

the principle of conservation of energy cannot be violated.

the correct one is: The total power is equal to the sum of the powers dissipated by the resistors.

Explanation:

The power in an electric circuit is given by

         P == I V

In a circuit with several components (resistors) the power dissipated is the current by the voltage in each resistance, by the principle of conservation of energy the current in each resistance is the same if the circuit is in series and the current is the same if The circuit is in parallel, but cannot be greater than the current supplied by the power source.

Therefore, the power dissipated by the entire circuit is the sum of the power dissipated by each part, since the principle of conservation of energy cannot be violated.

When reviewing the answers, the correct one is: The total power is equal to the sum of the powers dissipated by the resistors.

3 0
3 years ago
the metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. the s
Travka [436]
When the metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off, this is an example of resistance, which provides light and heat. 
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3 years ago
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