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queenkimm26
11.10.2021 •
Physics
What type of forces are needed in a system for the object to move?
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Ответ:
they are
Explanation:
1.Frictional force
2.Applied force
3.Normal force
Ответ:
So magnetic field will be equal to 0.1144 T
Explanation:
We have given frequency f = 60 Hz
Maximum emf e = 5500 volt
Number of turns N = 150
Area![A=0.85m^2](/tpl/images/0572/7466/48616.png)
Emf generated in ac generator is given![e=NBA\omega sin(\omega t)](/tpl/images/0572/7466/fd27c.png)
For maximum emf![sin(\omega t)=1](/tpl/images/0572/7466/a839c.png)
So maximum emf will be equal to![e=NBA\omega](/tpl/images/0572/7466/811b9.png)
So magnetic field will be equal to 0.1144 T