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2 years ago

Which statement correctly describes the relationship between frequency and wavelength?

Physics

1 answer:

Reika [66]2 years ago

4 0

Answer:

Answer:

Option B

Explanation:

Option B talks about how the frequency of the wave increases the shorter it's wavelengths

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What are components of an electromagnet and how do they get connected?<br> HELP PLZ!!!!!!!!!!!

anzhelika [568]

Answer:

An electromagnet is made out of a coil of wire wrapped around a metal core -- usually iron -- and connected to a battery. As the electrical current moves around the loops of the coil, it generates a magnetic field like that of a small bar magnet. It has a north pole on one side of the loop and a south pole on the other.

Explanation:

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3 years ago

gregori [183]

Answer:

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3 years ago

Explain how electric motors convert electrical energy to mechanical energy

alexdok [17]

Answer:

$\rightarrow$ Electric motors build energy through the interaction between magnetic fields.

Magnetic fields may be generated by passing a current through a wire. Winding that wire into a coil intensifies the sector. Wrapping the coil around an iron core can intensify it more. One is going to be of the coil are North, the other South. Reverse the flow of current through the coil. The magnetic poles can swap. Place 2 separate coils close to one another and organize them therefore one turns whereas the opposite is fastened. Then build arrangements for this within the moving coil to reverse even as the opposite poles are about to line up.

Hope it helps!<3

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3 years ago

A coil of wire with 50 turns lies in the plane of the page and has an initial area of 0.140 m2. The coil is now stretched to hav

DENIUS [597]

Answer:

Magnitude of induced emf will be 87.5 volt

Direction of induced emf will be clockwise

Explanation:

We have given number of turns in the coil N = 50

Initial area $A=0.140m^2$

Time is given dt = 0.1 sec

Magnetic field B = 1.25 T

From Faraday's law of electromagnetic induction

n $e=-N\frac{d\Phi }{dt}=-NA\frac{dB}{dt}$

$e=-50\times 0.140\times \frac{1.25}{0.1}=-87.5volt$

So magnitude of induced emf is 87.5 volt

Direction of induced emf will be clockwise

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4 years ago

What is the relation between celsius and kelvin

Scilla [17]

Answer:

The Celcius and kelvin scale are related unit for unit. One degree unit on the Celcius scale is equivalent to one degree unit on the kelvin scale. The only difference between these two scales is the zero point.

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3 years ago

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