Name: 
 

Chapter 3



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

____ states that since electrons are negative particles, current flows from the most negative point in the circuit to the most positive.
a.
The conventional current flow theory
c.
Electromotive force
b.
Ohm's Law
d.
The electron theory
 

2. 

A circuit where a path other than the one intended is established to ground is said to be ____.
a.
open
c.
complete
b.
shorted
d.
grounded
 

3. 

____ push current through a wire but cannot flow through the wire.
a.
Amps
c.
Volts
b.
Ohms
d.
Watts
 

4. 

The letter ____ is used to represent voltage in algebraic formulas.
a.
F
c.
E
b.
P
d.
L
 

5. 

A(n) ____ is the amount of resistance that allows one ampere of current to flow when the applied voltage is one volt.
a.
coulomb
c.
ohm
b.
joule
d.
watt
 

Completion
Complete each sentence or statement.
 

6. 

____________________ law of electrostatic charges states that the force of electrostatic attraction or repulsion is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them.
 

 

7. 

Before current can flow through a circuit, a _________________________ must exist.
 

 

8. 

A(n) ____________________ is the unit of resistance to current flow.
 

 

9. 

A _________________________ is defined as the amount of heat required to raise the temperature of one pound of water one degree Fahrenheit.
 

 

10. 

If a circuit has a voltage of 120 V and 20 amps, the resistance of the circuit is ____________________ ohms.
 

 



 
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