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5309002
Electric current
Description
Unit 1 Science grade 8
No tags specified
science electricity current
batteries
grade 8
science
igse
Quiz by
Ksenia Afonina
, updated more than 1 year ago
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Created by
Ksenia Afonina
over 8 years ago
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Resource summary
Question 1
Question
What type of switch this is?
Image:
b147a63b-668d-4db7-9892-8c969a784641.gif (image/gif)
Answer
Open switch
Closed switch
Question 2
Question
What is the name of this symbol?
Image:
2dd5c672-d525-48cf-9927-4d6384e8c074 (image/jpeg)
Answer
Battery
Bulb
Switch open
Cell
Conductor
Switch closed
Buzzer
Question 3
Question
When the switch is closed what happens?
Answer
The circuit works
The bulb doesn't work because of high voltage
Circuit breaks
All parts are connected, the circuit is closed and the bulbs light up
The switch opens after
Question 4
Question
What symbols do you see here?
Image:
606b5caf-2891-4bf1-95e3-d4d674cfe0df (image/png)
Answer
Bulb
Voltage
Fuse
Amperage
L.D.R
Open Switch
Battery
Diode
Resister
Wire
Question 5
Question
The bulb lights up when, what happens?
Answer
The circuit is working
The voltage is too high
The switch is closed
There is a complete path for electrical charges to flow through the circuit
There is complete path for voltage to flow through the opened circuit
Question 6
Question
When no current flows in a circuit, the charges or electrons in the conductor can move freely in all directions.
Answer
True
False
Question 7
Question
What happens when the current flows in the circuit?
Answer
Bulb lights up
Each charge is pushed
Charges bump into each other
Electrons go in different directions
Question 8
Question
The positive electrons flow to the negative electrons and this is how battery works
Answer
True
False
Question 9
Question
What does "amp" stands for
Answer
Amperage
Ampere
Ammeter
A Circuit Movement with Positive charge
Question 10
Question
With ammeter you measure what kind of circuit is - positive or negative
Answer
True
False
Question 11
Question
How do you measure the circuit?
Answer
Put all wires together
Ask the teacher
Carefully look at the colours of the wires so you don't mess up
Put gloves on
Look at the sings + and -
Connect + to - wire and - to + wire
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