MEDIUM
7th CBSE
IMPORTANT
Earn 100

How is the magnitude of the magnetic field of an electromagnet enhanced?

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>Answer Orally (Formative Assessment)>Q 3
Mention two uses of electromagnets.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>Answer Orally (Formative Assessment)>Q 4
What is meant by a coil?
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>Mind Scrambler>Q (a)

Unscramble each of the following to form a word or term:  HORMINEC _____

MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>Mind Scrambler>Q (b)
Unscramble each of the following to form a word or term: CATNESERIS _____
MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q A
How will you make an electromagnet in the laboratory?
HARD
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q A
With the help of a diagram, show the working of an electric bell.
MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q A
What is electric resistance? How is it used in an electric bulb?
MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 13 - Electric Current and Its Effects>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q A
What are conductors? How are they useful in an electric circuit?