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Sav [38]
2 years ago
14

What is the term for producing a current by changing a magnetic field?

Physics
2 answers:
zvonat [6]2 years ago
8 0

Answer:

Option (c)

Explanation:

Magnetic flux is defined as the number of magnetic field lines passing through any area.

Magnetic flux = B.A

Where B is the strength of magnetic field and A be the area through which the flux is passing.

When a magnetic flux linked with a coil changes, an electric emf is induced in the coil and hence an electric current is also induced. This phenomenon is called electromagnetic induction.

Allushta [10]2 years ago
4 0
c.magnetic induction hope this helps
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Answer: Physical changes in nature could then be erosion in a mountain, the melting of snow, and a river freezing over from the cold. Since none of these changes affect the chemical composition of the mountain, the snow, or the river, they are physical changes.

Explanation:

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Define average velocity.Immersive Reader
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Answer:

The slope of a graph of position vs time

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I need help with these. Please show workings<br>​
Sauron [17]

Answer:

Imp = 25 [kg*m/s]

v₂= 20 [m/s]

Explanation:

In order to solve these problems, we must use the principle of conservation of linear momentum or momentum.

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(m_{1}*v_{1})+(F*t)=(m_{1}*v_{2})

where:

m₁ = mass of the object = 5 [kg]

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v₂ = velocity after the momentum [m/s]

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2)

(m_{1}*v_{1})+(F*t)=(m_{1}*v_{2})\\(0.075*0)+(30*0.05)=(0.075*v_{2})\\v_{2}=20 [m/s]

8 0
2 years ago
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Who said the greater the temperature the greater the volume
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BRAINLIESTTT!! HELP ME!!!
likoan [24]

The efficiency of the scissor is 200%.

<u>Explanation:</u>

Efficiency is defined as the ratio of output of any instrument or device or machine to the input supplied to it. So the greater the output the greater will be the efficiency of the device.

As here the work done by us on the system is said to be 10 J so this will be equal to the input work done on the system. And the work done by the system i.e., the scissor is 20 J, so this will be the output work.

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Efficiency = (\frac {20} {10} ) \times 100 = 200

So, the efficiency of the scissor is 200%.

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3 years ago
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