Electric Circuits Answers
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What symbol would best represent an electric fan speed controller in an electric circuit?
A
OptionB
OptionC
OptionD
Option2
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What is the main disadvantage of parallel circuits?
A
Any break in the circuit stops the flow of charges.B
There are multiple paths for charges to flow.C
If one bulb goes out, the other bulbs will go out.D
They are complicated to design and build.3
Which statement describes one feature of a closed circuit?
A
Charges do not flow.B
Bulbs will not shine.C
The circuit is broken.D
The circuit is complete.4
Patty makes a table of the symbols used for the parts of an electric circuit.
A
BatteryB
SwitchC
ResistorD
Bulb5
A large cooler is filled with water, as shown below.
A
Opening the valve allows water to flow, just like opening a switch allows charges to flow.B
Opening the valve stops the flow of water, but closing a switch stops the flow of charges.C
Closing the valve stops the flow of water, but opening a switch stops the flow of charges.D
Closing the valve allows water to flow, just like closing a switch allows charges to flow.6
Jamal draws the circuit diagram shown.
A
one battery, two switches, two resistorsB
two batteries, two switches, two resistorsC
one battery, four switches, one resistorD
two batteries, three switches, two resistors7
A symbol from a circuit diagram is shown.
A
a switchB
a light bulbC
a wireD
a battery8
How do the lights in a series circuit behave when one bulb burns out?
A
The rest of the bulbs continue to shine at maximum brightness.B
The rest of the bulbs continue to shine at a lower brightness.C
The rest of the bulbs continue to shine at a higher brightness.D
The rest of the bulbs stop shining and shut off.9
When an electric circuit operates, a buzzer makes a sound. What happens to the electric charges in this circuit?
A
The electric charges move from the energy source and are used up at the switch.B
The electric charges move from the energy source and are used up at the buzzer.C
The electric charges move from the buzzer through the energy source and back to the buzzer.D
The electric charges move from the energy source through the buzzer and back to the energy source.10
Look at the circuit diagram.
A
one battery, two light bulbs, and three resistorsB
one battery, two switches, and three light bulbsC
one switch, one resistor, and three light bulbsD
one switch, one light bulb, and three batteriesDid you find these answers helpful?
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