Download ip ch 35 Practice Test

IP Ch 35 Practice Test
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. In order to form an electric circuit, you need to have
a. wires or conductors to connect everything.
b. a power source.
c. a light bulb or some resistance.
d. a complete path for the current.
e. all of the above
____
2. In order for current to flow in a circuit, you must have
a. a switch that is open.
b. a complete path for the current.
c. two light bulbs in parallel.
d. two light bulbs in series.
e. all of the above
____
3. Electrical resistance is measured in
a. volts.
b. amperes.
c. joules.
d. watts.
e. none of the above.
____
4. A closed circuit is a circuit in which charge
a. can flow.
b. is prevented from flowing.
____
5. When two light bulbs are connected in series, the
a. current through each light bulb is proportional to the resistance of the bulb.
b. same amount of current always flows through each bulb.
c. neither A nor B
____
6. The symbol used to represent resistance in a schematic diagram is
a. two straight lines.
b. a single line that is broken and has a bend in it.
c. one straight line.
d. a zigzag line.
e. none of the above
____
7. When resistors are put in series next to each other, their overall resistance is
a. the same as the resistance of one of the resistors.
b. larger than the resistance of any individual resistor.
c. smaller than the resistance of any of the resistors.
____
8. Compared to the resistance of two resistors connected in series, the same two resistors connected in parallel
have
a. less resistance.
b. more resistance.
c. the same resistance.
____
9. In a simple parallel circuit
a. current through each branch is always the same.
b. voltage across each branch is always the same.
c. the value of each resistor is the same.
d. the circuit won't work unless there is a fuse in it.
e. none of the above
____ 10. In a simple parallel circuit
a. voltage across each branch is the same.
b. current through each resistor is inversely proportional to the resistance.
c. current is divided at each branch.
d. all of the above
e. none of the above
____ 11. Electrical devices in our homes are connected in
a. parallel.
b. series.
____ 12. Fuses and circuit breakers are used to
a. protect us.
b. prevent overloading.
c. keep wires from getting overheated.
d. break the circuit when too much current is being used.
e. all of the above
True/False
Indicate whether the statement is true or false.
____ 13. In order to prevent overloading in a circuit, fuses are inserted in the circuit.
____ 14. When light bulbs are connected in series, all carry the same current regardless of their resistances.
____ 15. In a series circuit, the total voltage drop across a series of resistors is the sum of voltage drops across each
individual resistor.
____ 16. A schematic diagram is a simplified, blocked-out picture of a circuit in which parts of the circuit are
represented by symbols.
____ 17. When resistors are arranged in parallel, their overall resistance is less than that of the smallest resistor.
IP Ch 35 Practice Test
Answer Section
MULTIPLE CHOICE
1. ANS:
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2. ANS:
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3. ANS:
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11. ANS:
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12. ANS:
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E
PTS: 1
DIF: L1
OBJ:
IP.5.3
KEY: circuit | path BLM: knowledge
B
PTS: 1
DIF: L1
OBJ:
IP.5.3
KEY: current | flow
BLM:
E
PTS: 1
DIF: L1
35.6 Combining Resistors in a Compound Circuit
STA:
resistance | unit
BLM: knowledge
A
PTS: 1
DIF: L1
OBJ:
IP.5.3
KEY: closed | circuit
BLM:
B
PTS: 1
DIF: L2
OBJ:
IP.5.3
KEY: bulb | series BLM: comprehension
D
PTS: 1
DIF: L1
OBJ:
IP.5.3
KEY: resistance | symbol
BLM:
B
PTS: 1
DIF: L2
OBJ:
IP.5.3
KEY: resistor | series
BLM:
A
PTS: 1
DIF: L2
OBJ:
IP.5.3
KEY: resistance | series
BLM:
B
PTS: 1
DIF: L2
OBJ:
IP.5.3
KEY: parallel | voltage
BLM:
D
PTS: 1
DIF: L2
OBJ:
IP.5.3
KEY: parallel | circuit
BLM:
A
PTS: 1
DIF: L1
35.7 Parallel Circuits and Overloading
STA:
home | electricity
BLM: knowledge
E
PTS: 1
DIF: L1
35.7 Parallel Circuits and Overloading
STA:
fuse | breaker
BLM: knowledge
35.1 A Battery and a Bulb
35.1 A Battery and a Bulb
knowledge
IP.5.3
35.2 Electric Circuits
knowledge
35.3 Series Circuits
35.5 Schematic Diagrams
knowledge
35.3 Series Circuits
comprehension
35.3 Series Circuits
comprehension
35.4 Parallel Circuits
comprehension
35.4 Parallel Circuits
comprehension
IP.5.3
IP.5.3
TRUE/FALSE
13. ANS:
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14. ANS:
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15. ANS:
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16. ANS:
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17. ANS:
STA:
T
PTS: 1
DIF: L1
35.7 Parallel Circuits and Overloading
overload | fuse
BLM: knowledge
T
PTS: 1
DIF: L2
IP.5.3
KEY: series | current | resistance
T
PTS: 1
DIF: L2
IP.5.3
KEY: circuit | voltage
T
PTS: 1
DIF: L1
IP.5.3
KEY: circuit | symbol
T
PTS: 1
DIF: L2
IP.5.3
KEY: resistor | parallel
STA: IP.5.3
OBJ:
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OBJ:
BLM:
OBJ:
BLM:
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35.3 Series Circuits
comprehension
35.3 Series Circuits
comprehension
35.5 Schematic Diagrams
knowledge
35.4 Parallel Circuits
comprehension