MEDIUM
7th CBSE
IMPORTANT
Earn 100

Which energy transformation occurs during magnetic effect of current?

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 2
Which metal is used for making the core of an electromagnet?
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 3
What happens when a wire carrying electric current (DC) is placed near a magnetic needle?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 4
Name two devices which are based on the use of electromagnet.
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 5
Which part in an electric bell is involved in make-and-break operation?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Summative ASSESSMENT>Q 1
What is the combination of two or more cells called?
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Summative ASSESSMENT>Q 2
What is the circuit in which electricity flows from positive terminal of a cell / battery to its negative terminal through all the components called?
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Summative ASSESSMENT>Q 3
What is the change of electrical energy into heat energy commonly called?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Summative ASSESSMENT>Q 4
Name a device based on the magnetic effect of current.