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Goryan [66]
2 years ago
9

Which country or region is coal-rich and oil-poor?

Physics
1 answer:
zimovet [89]2 years ago
5 0
THE ANSWER FOR UR QUESTION IS 

WHICH COUNTRY OR REGION IS COAL RICH AND OIL POOR
ANS:- UNITED STATES IS THE COUNTRY WHICH IS COAL RICH AND OIL POOR

HOPE THIS HELPS!!!

^_^ HAPPY TO HELP U ^_^







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Answer:

Magnetic field can be used to produce current, infact a changing magnetic field can produce current.

A changing magnetic field in a loop causes the flux linked with the loop to change in turn generating a emf in the loop and therefore a current.

For a loop of area A and resistance R.

I =dPhi/dt/R

В. А

I = AcosФ/R .dB /dt

But it isn't reasonable to say that we can create a magnetic field by having a flow of current and this can be used to make more current because the current generated due to change in magnetic field created by increase/decrease in flow of current will be in a direction such that it will counter act the change in magnetic field caused by increase/decrease in current flow.(lenz's law).

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Ф= В. А

I = Acos dB Rd

3 0
2 years ago
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3 years ago
A mixed cost contains Select one:
-Dominant- [34]

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It is also named as semi-variable costs. And the formula to calculate mixed cost is as follows,

y=a+b x

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