When you remove electrons from a metal cup, the cup becomes      43) ______

The fundamental force underlying all chemical reactions is      9) _______

A 100-W lamp glows brighter than a 25-W lamp. The electric resistance of the 100-W lamp is 13) ______

The equivalent resistance of any parallel branch in a circuit is               22) ______

The current through two identical light bulbs connected in series is 0.25 A. The voltage across both bulbs is 110 V. The resistance of a single light bulb is              47) ______

Surrounding every moving electron is             28) ______

The frequency with which a magnet plunges into and out of a wire coil equals the frequency of the induced                34) ______

The headlights, radio, and defroster fan in an automobile are connected in  50) ______

Unlike electric charges, magnetic poles cannot be     44) ______

Electric charge will flow in an electric circuit when      42) ______