MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electric Bulb

Which among t...

Question

Which among the following statements about an electric bulb are correct?

A

It consists of an iron chamber fixed on a glass base.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

It has a filament.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

It has a plastic filament.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

It has a glass chamber fixed on a metal base.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct options are
B It has a filament.
D It has a glass chamber fixed on a metal base.
An electric bulb consists of a glass chamber fixed onto a metal cap/base. Two metallic wires are present in the chamber which are connected to the two ends of the Tungsten filament which glows when the bulb is connected to an electric cell through wires.

Suggest Corrections

thumbs-up

0

Similar questions

Q. An electric bulb has a filament that is connected to its terminal.Is it true or false?

Q. An incandescent light bulb has a tungsten filament that is heated to a temperature

3 \times 10^{3} K

when an electric current passes through it. If the surface area of the filament is approximately

10^{- 4} m^{2}

and it has an emissivity of

0.32

, the power radiated by the bulb is

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Electricity in motion is called current electricity. ( )
2. Rubber is a good example of electric insulator. ( )
3. The base of an electric cell is its negative terminal. ( )
4. The supporting wire breaks in a fused bulb. ( )
5. Electric current can flow through metals. ( )
6. An electric cell two terminals. ( )
7. An electric bulb has a filament that is connected to its terminals. ( )
8. Instead of metal wires, a jute string can be used to make a circuit. ( )

Q. How is it that a metal cup which has been firmly fixed in the neck of a glass bottle can be released by warming the cap?

What is the function of the filament in an electric bulb? What is the principle on which working of a bulb is based on? [2 MARKS]

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Bulb Connected to an Electric Cell_bulb & wire

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon