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3 years ago

13

Which of the following statements is true about the nature of light?

1 answer:

lukranit [14]3 years ago

4 0

Light shows duality i.e it shows properties of both particle as well as wave.

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A scientist designed a foam container to help keep frozen foods from melting. Which best explains how the foam works? It removes

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2 years ago

Imagine how mercury might be different if it had the same mass as earth. Explain.

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3 years ago

What type of charge does an electron have?

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3 years ago

Read 2 more answers

Mo is on a baseball team and hears that a ball thrown at a 45 degree angle from the ground will travel the furthest distance. Ho

Galina-37 [17]

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2 years ago

A 8.4-mH inductor carries a current I = Imaxsin ωt, with Imax = 4.00 A and f = ω/2π = 60.0 Hz. What is the self-induced emf as a

Aleks04 [339]

Answer:

E= -3.166 cosωt V

Explanation:

Given that

I = Imax sinωt

L= 8.4 m H

Imax= 4 A

f = ω/2π = 60.0 Hz

ω = 120π rad/s

We know that self induce E given as

$E=-L\dfrac{dI}{dt}$

$\dfrac{dI}{dt}= Imax \ \omega\ cos\omega t$

$E=-L\times Imax \ \omega\ cos\omega t$

$E=-8.4\times 120\times \pi \ cos\omega t$

E= -3166.72 cosωt m V

E= -3.166 cosωt V

This is the induce emf.

3 0

2 years ago