Department of
Natural Sciences
Clayton College & State University
Morrow, Georgia
March 26, 2009
SCI 1901E - Quiz 14
Name __________SOLUTION_____________
(03) 1. Name the two types
of charge, and describe the nature of the forces between charged particles.
The two types of charge are positive and negative.
Like charges repel each other; unlike charges attract each other.
(02) 2. Describe what happens when a charged particle is placed in a region of space containing a potential difference.
Any of the
following are acceptable:
The charged particle experiences a force.
The charged particle is accelerated.
The charged particle changes velocity.
The charged particle moves in the direction opposite of the potential difference polarity to the sign of its charge.
(04) 3. List the
full name and symbol for the SI unit for each of the following quantities:
a. charge: coulomb (C)
b. current: ampere (A)
c. voltage: volt (V)
d. resistance: ohm (W)
Select the single best answer in questions 4 and 5.
(03) 4. The resistance of a wire
a. is independent of the type of material of which the wire is composed.
b. is inversely proportional to the diameter of the wire.
c. is inversely proportional to the temperature of the wire.
d. is inversely proportional to the length of the wire.
a. converts chemical energy to electrical energy.
b. creates a potential difference when connected in a circuit.
c. consists of two electrodes and an electrolyte.
d. All of the above.