Wire one example for the following.

1. One necessary component of an electric circuit .....................

2. A material used to make the filament of an electric current .....................

3. An appliance that is based on the heating effect of electric current .....................

4. A material used to make the core of an electromagnet .....................

Open in App

Solution

Electric cell.

Electric cell is a necessary component of an electric circuit.

Tungsten.

Tungsten is used to make the filament of an electric bulb.

Electric iron box.

Electric iron box works on the principle of heating effect of electric current.

A piece of soft iron.

A piece of soft iron is used to make the core of an electromagnet.

Suggest Corrections

Similar questions

Match the column:

I	II	III
Heat generated	Is used to reduce effective resistance in a circuit	V = IR
Resistances in parallel	Proportional to the square of current
Resistivity	Gives relation between V and I
Ohm’s law	Depends on the material of the conductor

Q. Match the terms in Column I to the symbols in Column II and match further to the correct explanation in Column III:

Column I	Column II	Column III
1. Bulb	(a) Figure	(i) Has a coiled tungsten filament.
2. Switch	(b) Figure	(ii) Series of cells connected with correct polarity.
3. Fuse	(c) Figure	(iii) Source of electric current.
4. Cell	(d) Figure	(iv) Used to close or open an electric circuit.
5. Battery	(e) Figure	(v) Has a wire with how melting point.

Define the term current rating of an electric fuse. Name the material used to make electric fuse and also name two safety measure commonly used in electric circuit and appliances.

The sale of electric bulbs on different days of a week is shown below:

Day	Number of electric bulbs - 2 bulbs
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

What can we conclude from the said pictograph?

Q. Write one word for the following.

1.	Bag-like structures located at specific places that release chemicls	....................
2.	Chemical substances that act like chemical messengers	....................
3.	Transition period from childhood to adulthood	....................
4.	Process of release of an ovum from an ovary	....................
5.	Cycle of producing and releasing mature ova	....................

Join BYJU'S Learning Program

1.	One necessary component of an electric circuit	.....................
2.	A material used to make the filament of an electric current	.....................
3.	An appliance that is based on the heating effect of electric current	.....................
4.	A material used to make the core of an electromagnet	.....................