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tangare [24]
3 years ago
6

Use the drop-down menus to complete the passage. A galvanometer detects by showing needle movement in . If the wires in this gal

vanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire. If the wires to the terminal connections are switched, the needle will move and point in the direction. The movement of the needle can be altered and read incorrectly if there is a strong nearby.
Physics
2 answers:
Ierofanga [76]3 years ago
6 0

Answer:

1. an electric current

2. a magnetic field

3. perpendicular

4. opposite

5. magnet

Explanation:

just took the test

Gnoma [55]3 years ago
3 0

Answer:

1. an electric current

2. a magnetic field

3. perpendicular

4. opposite

5. magnet

Explanation:

edg 2020

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1) Arrange the following spectral regions in order of increasing energy: infrared, microwave, ultraviolet, visible.
Anton [14]

Answer:

The order of increasing energy is as follows

"microwave < infrared < visible < ultraviolet"

Option (A) is correct.

Explanation:

Given:

Arrange the following spectral regions in order of increasing energy: infrared, microwave, ultraviolet, visible.

From the formula of energy in terms of frequency.

  E = hf

Where h = planck constant, f = frequency of light.

From above formula we can conclude that higher frequency means higher energy.

In our case ultraviolet has higher frequency and microwave has lower frequency.

So ultraviolet has higher energy and microwave has lower energy.

microwave < infrared < visible < ultraviolet

Therefore, the order of increasing energy is as follows

"microwave < infrared < visible < ultraviolet"

7 0
3 years ago
Arrange the examples in order, starting with the object that has the least amount of energy. In each case, assume there’s no fri
Artemon [7]
First example: book, m= 0.75 kg, h=1.5 m, g= 9.8 m/s², it has only potential energy Ep,

Ep=m*g*h=0.75*9.8*1.5=11.025 J

Second example: brick, m=2.5 kg, v=10 m/s, h=4 m, it has potential energy Ep and kinetic energy Ek,

E=Ep+Ek=m*g*h + (1/2)*m*v²=98 J + 125 J= 223 J

Third example: ball, m=0.25 kg, v= 10 m/s, it has only kinetic energy Ek

Ek=(1/2)*m*v²=12.5 J.

Fourth example: stone, m=0.7 kg, h=7 m, it has only potential energy Ep,

Ep=m*g*h=0.7*9.8*7=48.02 J

The order of examples starting with the lowest energy:

1. book, 2. ball, 3. stone, 4. brick 


4 0
3 years ago
Why do some scientists think that Irr II galaxies have irregular, distorted shapes?
laila [671]
They believe the distortions happened when two galaxies collided.

Hope This Helps :)
3 0
3 years ago
What is the numeric value of a mole for atoms or molecules?
Talja [164]

Answer:

6.02×10²³

Explanation:

Mole measures the number of particles in a specific substance. The numeric value of a mole for atom or molecules is approximately 6.02×10²³ atoms or molecules.

5 0
3 years ago
The acceleration due to gravity on the moon is 1.6 m/s2, about a sixth that of Earth’s. Which accurately describes the weight of
tatyana61 [14]

The answer is C.  

An object on the moon is six times lighter than on Earth.


6 0
3 years ago
Read 2 more answers
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