21616050
Description
Quiz by CARMEN TECH, updated more than 1 year ago
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Created by CARMEN TECH
about 4 years ago
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Question 1
Question
In a simple series circuit, why does the bulb light when you close the switch?
Answer
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Because the switch produces electricity
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Because closing the switch completes the circuit
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Because closing the switch breaks the circuit
Question 2
Question
In a simple series circuit, why does the bulb go out when you open the switch?
Answer
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Because the battery goes flat
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Because opening the switch breaks the circuit
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Because too much electricity flows through the bulb
Question 3
Question
Imagine a simple series circuit with one 1.5V battery and one bulb. When the 1.5V battery is replaced with a 3V battery ...
Answer
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the bulb gets brighter
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he bulb gets dimmer
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the bulb stays at the same level of brightness
Question 4
Question
Imagine a circuit with a 1.5V battery and one bulb. Imagine a similar circuit with a 3V battery and two bulbs. Which has the brightest bulbs?
Answer
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The circuit with a 1.5V battery and one bulb
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The circuit with a 3V battery and two bulbs
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The bulbs in both circuits are of similar brightness levels
Question 5
Question
Why might a bulb flash and go out when a 1.5V battery and a 3V battery are both connected across it in a simple series circuit?
Answer
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There is not enough electricity flowing around the circuit
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Too much electricity flows through the bulb's filament and the bulb blows
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The batteries are flat
Question 6
Question
What is the effect of changing the wire in a circuit from a straight thick wire to a straight thin wire?
Answer
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The bulbs become dimmer
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The bulbs become brighter
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The bulbs stay at the same level of brightness
Question 7
Question
What is the effect of changing the wire in a circuit from a straight thick wire to a longer (coiled) thick wire?
Answer
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The bulbs become dimmer
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The bulbs become brighter
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The bulbs stay at the same level of brightness
Question 8
Question
In a circuit diagram, what does a circle with a cross inside it represent?
Answer
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A light bulb
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A motor
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A battery
Question 9
Question
What do the long straight lines represent in a circuit diagram?
Answer
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Motors
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Light bulbs
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Wires
Question 10
Question
How is a battery represented in a circuit diagram?
Answer
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A circle with a cross inside it
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A circle with an M inside it
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A long line and a short line
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