EASY
7th CBSE
IMPORTANT
Earn 100

Find out three materials that can be used for making fuse wires. Name the properties that make them eligible for making a fuse wire. Draw an electric circuit diagram with a cell and a bulb. Show how you connect a fuse in this 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 A
Write T for the True and F for the false statements. Correct the false statements.
An electric current will not flow if the switch in the circuit is open.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q B
Why do we need circuit diagrams?
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Let's Remember>Q B
Is there any purpose in using standard symbols in circuit diagrams?
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
A device that is used to open or close an electrical circuit is called a _____ (fuse/switch).
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q B
How many electric cell(s) an electric battery consists of?
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q 1
Give a one-word answer for the following:
Two or more cells joined together are known as ______. (Battery/Ammeter)
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life>Chapter 13 - Electric Current and Its Effects>Exercises>Q 3
Give one word for the following.
A device that limits the amount of current flowing in a circuit _____.(switch/fuse)