EASY
7th CBSE
IMPORTANT
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A magnet produced by passing an electric current through a coil of insulate wire wound around a soft iron is called .
 

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Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q I
The flow of electrons in an electric circuit is called _____.
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q I
The safety device based on the heating effect of electric current is called a _____.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q I
When current is switched ‘on’ of a room heater, it _____.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q II
Name the materials used for making the filament of an electric bulb.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q II

Name the materials used for making heating element of an electric heater.

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q II
Name any four electrical appliances in which the heating effect of electric current is utilised.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q II
Name the three effects produced by an electric current.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 14 - Electric Current and Its Effects>Exercise 14.2>Q II
Why does a fluorescent tube not generate heat?