EASY
7th CBSE
IMPORTANT
Earn 100

A diagram showing the arrangement of the various components of an electric circuit with the help of their symbols. (circuit diagram / block diagram)

93.75% studentsanswered this correctly

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 3
A safety device which prevents damage to the electrical appliances.
(Choose one of the following: Electric fuse/ Electric switch).
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 4

Name an electromagnetic device used for lifting heavy loads.

(Choose from electromagnetic crane or electric motor)

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 5
A household electrical device that is based on the magnetic effect of electric current. (electric bell/electric bulb)
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE & SUMMATIVE ASSESSMENTS>MATCH THE COLUMNS

MATCH THE COLUMNS:

  Column A   Column B
1. Open circuit A. Electric fuse
2. Copper B. No flow of current
3. Nichrome wire C. Heavy loads
4. Electromagnet D. Heating coil
5. Question Image E Good conductor

 

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Chapter Based Formative Assessment>Q 1

A filament of low melting point metal/ alloy is used in

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Chapter Based Formative Assessment>Q 2
Which of the following does not use an electromagnet?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Chapter Based Formative Assessment>Q 1

A diagram of an electric circuit described by using symbols of the components used in it is called a _____ diagram.

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Chapter Based Formative Assessment>Q 2
Heating coil in an electric heater is made from _____(nichrome/tungsten).