Electrostatic Force Is _________ Proportional to the Distance Between Charges

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)

Q15: Alternating current is produced by a _.<br>A)

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

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)

Q21: On the surface of an electrified object,

Q22: Like magnetic poles _ and unlike magnetic