Physical Science

Chapter 7: Electricity

Section 3 Self-Check Quiz-Eng.

1.
In which type of circuit does current have only one loop to flow through?
A)parallel
B)series
C)open
D)uniform
2.
In which type of circuit are there two or more branches for current to move through?
A)parallel
B)series
C)open
D)uniform
3.
What is the standard voltage difference of electrical energy entering homes in the United States?
A)220 V
B)12 V
C)120 V
D)1200 V
4.
The purpose of fuses and circuit breakers is to _________.
A)prevent circuits from overheating
B)prevent breaks in the circuit
C)allow circuits to be overloaded
D)decrease the resistance in a series circuit
5.
The rate at which electrical energy is converted to another form of energy is called __________.
A)energy transformation
B)hydroelectricity
C)transmission
D)electrical power
6.
Electrical power is expressed in __________.
A)amperes
B)volts
C)ohms
D)watts
7.
How much electrical energy is used by an appliance that draws 13 A of current at a voltage difference of 200 V for 1h?
A)26 kWh
B)2600 W
C)2.6 kWh
D)15.38 W
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