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olchik [2.2K]
4 years ago
5

In Ørsted’s observation, the current-carrying wire acted like a

Physics
2 answers:
Travka [436]4 years ago
7 0

Answer:

1.    B)    magnet

2.   C)    motor

Explanation:

1)

In Orsted's observation he found that when few small iron piece is placed near the current carrying wires then all the iron pieces will arrange themselves in the circular loop.

This arrangement is always due to the magnetic field produced by the current carrying wire. So as per his observation the current carrying wire will behave like a magnet.

2)

Michael Faraday explained about the Electromagnetic induction laws and he worked on the theories given by Orsted.

So as per his theory when magnetic flux linked with a conductor changes then it will induce electric current.

So his inventions are based upon rotating device

So it is Electric Motor

hichkok12 [17]4 years ago
6 0
B, C. Also literally a quick search yielded these results, roughly half the time to type this out. 
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A fugitive tries to hop on a freight train traveling at a constant speed of 4.5 m/s. Just as an empty box car passes him, the fu
Andrews [41]
Ok, 
Let's check to see if he catches it before he reaches 8 m/s. 
Velocity = acceleration * time, V = at, 
so 8 m/s = 3.4 m/s * t, so t = 2.35 sec 
in that time he moved 
Distance = Initial Velocity * time + 1/2 acceleration * time * time 
S = 0*2.35 + 1/2*3.4*2.35*2.35 = 9.4 meters 
in 2.35 seconds, the boxcar moved 
S = V*t = 4.5 * 2.35 = 10.59 meters, so he still needs to catch up 
10.59 m - 9.4 m = 1.19 meters. Since he is now moving at 8 m/s and the train is moving at 4.5 m/s, his closing speed is (8 - 4.5) = 3.5 m/s 

It will take him 1.19m/3.5m/s = .34 seconds more to catch up. 

So answer A is 2.35 sec + .34 sec = 2.69 seconds. 
For answer B we use the speed of the train since it was constant, 
<span>Distance = Velocity * time = 4.5 m/s * 2.69 s = 12.1 meters.
</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
7 0
3 years ago
Which type of electromagnetic radiation is used to keep food warm?
n200080 [17]

Answer:

A. infrared

Explanation:

Heat lamps used to keep foods warm are infrared on the light spectrum

7 0
3 years ago
A 3.5 kg object gains 76 J of potential energy as it is lifted vertically. Find the new height of the object?
Eduardwww [97]

Answer:

1.72 m

Explanation:

Potential energy = mgh, where m is mass, g is acceleration due to gravity (9.8), and h is height

76 = (3.5)(9.8)h

76=44.1h

h=1.72335600907 ≈1.72 m

8 0
3 years ago
Read 2 more answers
Which form of electromagnetic radiation with a relatively high amount of energy is used to sanitize lab goggles?
alexdok [17]

Answer:

Gamma radiation.

Explanation:

Electromagnetic waves are waves produced with respect to the interaction of electric field and magnetic field. They can be arranged with respect to their increasing or decreasing wavelength to form a pattern called electromagnetic spectrum.

Gamma radiation can be used for sterilization purpose due to the fact that it has a relatively high amount of energy, and do not produce any characteristic radiation.

5 0
3 years ago
In this activity, you’ll read two articles about plastics that analyze the material from two different points of view. You’ll al
ipn [44]

Answer:

ok thanks

Explanation:

I will read the article

3 0
3 years ago
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