On the Surface of an Electrified Object, the Charges Concentrate

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

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)

Q22: Like magnetic poles _ and unlike magnetic

Q23: The charges on an electrified object are

Q24: When a group of dipoles are aligned,

Q25: The smallest unit of electrical charge is