EASY
7th CBSE
IMPORTANT
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Fuse wire has a low electric resistance.

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Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Fuse wire melts when the circuit is overloaded.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Electromagnets are used to make permanent magnets.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Copper wire is coated with insulating material to protect the user from an electric shock.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
The magnetic strength of a conductor decreases with the increase in current.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
_____ is used in making the filament of the bulb.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
The material used for making electromagnets is _____ (iron/copper).
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
An electromagnet can attract _____.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
The combination of _____ (two or more/ only two/ only three) cells in series is called a battery.