Alternating Current Is Produced by a ___________

Q10: Electrical power is measured in _.<br>A) coulombs<br>B)

Q11: The force between magnetic poles is proportional

Q12: What is the SI unit of magnetic

Q13: The magnetic intensity of an electromagnet is

Q14: A _ uses direct current.<br>A) hair dryer<br>B)

Q16: Electrification occurs through the movement of _.<br>A)

Q17: Electrostatic force is _ proportional to the

Q18: What is the unit of electric potential?<br>A)

Q19: Water is a _ material.<br>A) paramagnetic<br>B) magnetic<br>C)

Q20: What is Ohm's law?<br>A) I = V/R<br>B)