1)As the electric current through the coil increases, the intensity of the magnetic field.......................
.................. and the lines of force........................ .
2) when the current flows through the coil, ........................................ produced at each point around the copper wire forming the coil.
3) At a given point on t
he cardboard, the magnetic field produced by the current flowing through the coil is the directly proportional to the.................................. and the..................... forming the coil.
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Answer:
1, increases and become magnetic
2, electricity
3, upper and the lower
i think my answers are right??
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