MEDIUM
7th CBSE
IMPORTANT
Earn 100

Who first observed the magnetic effect of current?

Choose from the following: Hans Christian Oersted/Sir Isaac Newton)

100% studentsanswered this correctly

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Electromagnets are permanent magnets.
MEDIUM
7th CBSE
IMPORTANT
It is a collection of cells connected together to provide more power.
MEDIUM
7th CBSE
IMPORTANT
The first person to observe the magnetic effect of the electric current was.
MEDIUM
7th CBSE
IMPORTANT
In the symbol of an electric cell, the shorter line represents
MEDIUM
7th CBSE
IMPORTANT
What would you use to lift a tiny piece of iron accidentally fallen in your eye?
MEDIUM
7th CBSE
IMPORTANT
The device that does not use an electromagnet:
MEDIUM
7th CBSE
IMPORTANT
The amount of heat produced in a conductor depends on.