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Physics 17 Online
zaky21:

the flux through the coils of a solenoid changes from 6.79*10^-4 Wb to 1.33*10^-4 Wb in 0.0333 s. if the solenoid has 605 loops, how much EMF is generated? (units=Volts)

zaky21:

help me like u did the other question

TheSmartOne:

I hope you got the final minus initial down correctly now It goes from initial to final It goes from 6.79*10^-4 Wb to 1.33*10^-4 Wb What is the change? Basically what is final - ini

TheSmartOne:

Divide that by the time and multiply by negative loops so -605

zaky21:

so i divide 6.79*10^-4/1.33*10^-4

TheSmartOne:

That's doing Initial divided by final We need final minus initial

zaky21:

so wats the initial and final

TheSmartOne:

It goes from initial to final It goes from 6.79*10^-4 Wb to 1.33*10^-4 Wb

zaky21:

so im dividing

zaky21:

this wat i got when i divided 5.10526315

zaky21:

this wat i got when i divided 5.10526315

TheSmartOne:

I never said dividing Subtraction subtract the initial value from the final value

zaky21:

5.46*10^-4

TheSmartOne:

What was the subtraction you put in the calculator

zaky21:

i subtrca what you told me to subtract

zaky21:

i subtrca what you told me to subtract

TheSmartOne:

I told you to subtract initial from the final That means Final number minus initial You're doing it the w

TheSmartOne:

you're doing it the wrong way*

zaky21:

so how u do it than

zaky21:

-99198 its that the answer

TheSmartOne:

If you show me how you got to that, it would

zaky21:

so its bthat the answer im abou t to inser it

TheSmartOne:

It would help

zaky21:

i got it

TheSmartOne:

i got something else mhmm

zaky21:

i finna post ane questionm

zaky21:

i finna post ane questionm

zaky21:

in the diagram, the bar moves 0.15 m to the right 0.16 s through a 2.2 T field. how much EMF is produced? (Hint: what is the initial and final area of the loop?there is only one loop:N=1)

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