MEDIUM
Earn 100

Describe the series of experiments conducted by Thomas Alva Edison which lead to the invention of the first bulb.

Important Questions on Basic Electric Circuits

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Science>Physics>Basic Electric Circuits>The story of bulb
What is the melting point of tungsten used for making bulb filaments?
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Science>Physics>Basic Electric Circuits>The story of bulb
Name two appliances that convert electrical energy to heat energy?
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Science>Physics>Basic Electric Circuits>The story of bulb
Our dependency on electricity is increasing day by day. 
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Science>Physics>Basic Electric Circuits>The story of bulb
You have studied the story of Thomas Alva Edison. Write a note appreciating his efforts in inventing the bulb.
MEDIUM
Science>Physics>Basic Electric Circuits>The story of bulb
How did the invention of the light bulb affected the world?
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Science>Physics>Basic Electric Circuits>The story of bulb
What alternative devices can we use if there is a sudden breakdown in electric supply?
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Science>Physics>Basic Electric Circuits>The story of bulb
Why do we need electricity?
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Science>Physics>Basic Electric Circuits>The story of bulb
Which of these appliances in your house are not run by electricity?
MEDIUM
Science>Physics>Basic Electric Circuits>The story of bulb
We still do not have any electricity in many places in our country. Even at places which do have electricity, imagine what would happen if there was no electricity for one week. What are the things that would be difficult to manage without it?
HARD
Science>Physics>Basic Electric Circuits>The story of bulb
List the daily activities in which we use electricity.
MEDIUM
Science>Physics>Basic Electric Circuits>The story of bulb
If you put the switch on, a light will glow, a fan will rotate, an iron box heats up, etc,. All these different functions will be performed by electricity. How do you feel about the comforts given by this great invention to human beings?
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Science>Physics>Basic Electric Circuits>The story of bulb
In which year the bulb was invented?
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Science>Physics>Basic Electric Circuits>The story of bulb

Write the quadrants in which the following points lie:

-4,7

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Science>Physics>Basic Electric Circuits>The story of bulb
What is the balance between the benefits and costs of electricity? Is it realistic to think we can reduce the cost?
MEDIUM
Science>Physics>Basic Electric Circuits>The story of bulb

From the following pictures below, tick the devices that work on electricity.

Question Image

MEDIUM
Science>Physics>Basic Electric Circuits>The story of bulb

Can you imagine living in a world without a TV or a computer?

What do you need to run these applications?

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Science>Physics>Basic Electric Circuits>The story of bulb
Name any three devices which run on electricity and save our time.
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Science>Physics>Basic Electric Circuits>The story of bulb
Cotyledons are also called-
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Science>Physics>Basic Electric Circuits>The story of bulb
Give any two ways in which you use electricity.
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Science>Physics>Basic Electric Circuits>The story of bulb
Define electrical energy.