EASY
7th CBSE
IMPORTANT
Earn 100

What are the possible dangers of not using a fuse in an electric circuit?

Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q 1
Write T for the True and F for the False statements. Correct the false statements.
A current carrying conductor can deflect a magnetic compass.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q 2
Write T for the True and F for the False statements. Correct the false statements.
An electromagnet is based on the heating effect of electric current.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q 3
Write T for the True and F for the False statements. Correct the false statements.
The strength of an electromagnet does not depend on the number of turns of the wire around the core.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q 4
Write T for the True and F for the False statements. Correct the false statements.
An electromagnet exerts a greater magnetic force on small iron pieces when the current passing through it is switched off.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q 5
Write T for the True and F for the False statements. Correct the false statements.
In an electric bell, the hammer strikes the gong because the gong is magnetic.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q A
When we connect two cells to form a battery, we should connect the positive terminal of one cell to the _____ (positive/negative) terminal of the other cell.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q A
In an electric circuit, the connecting wire should be made of a _____ (conductor/insulator).
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q A
A device that is used to open or close an electrical circuit is called a _____ (fuse/switch).