Saturday, 30 August 2014

ELECTRICAL CHARGES AND FORCES TERMINOLOGY


ELECTRICAL CHARGES AND FORCES

Select the correct term to complete the sentences.


electric field
electrically neutral
electroscope
farads
coulomb
field lines
friction
induction
polarized
capacitor
static electricity
Coulomb’s law



1. The unit in which charge is measured is the _____.
2. An object is _____ when it has equal numbers of positive and
negative charges.
3. _____ exists when there is an excess of one type of charge on an
object.
4. _____ explains the relationship between electric force, charge, and
distance.
5. Charging by _____ occurs when clothes brush against each other in
the dryer.
6. A(n) _____ can be used to tell whether an object has a net charge.
7. If you use a charged balloon to charge a metal ball through _____, the
balloon’s net charge does not change.
8. _____ are drawn to show the direction of the electric field.
9. An object is _____ if has a net positive charge on one side and a net
negative charge on the other side.
10. There is a(n) _____ in the region around any charge.
11. A _____ is used to store electrical energy by separating charge.
12. Capacitance is measured in _____.