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- 1. Multiple Choice
An electroscope is a device which is used to find if an object is
charged
magnetised
hot
free of cracks
- 2. Multiple Choice
Like charges
can repel or attract each other depending on the quantity of charge
can repel or attract each other depending on conditions
always repel each other
always attract each other
- 3. Multiple Choice
During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –
positive
negative
neutral
none of these
- 4. Multiple Choice
Name the scientist who showed that lightening and spark from our clothes are essentially the same phenomenon ?
Thomas Alva Edison
Franklin D. Roosevelt
Issac Newton
Benjamin Franklin
- 5. Multiple Choice
Interaction of charges is called _______.
lightning
electrical discharge
earthing
electricity
- 6. Multiple Choice
Static electricity is the electricity in which
charges are in motion
charges are at rest
Both the options
- 7. Multiple Choice
Identify the figure which is not suitable during thunder storms
- 8. Multiple Choice
Identify the figure which you are supposed do during lightning.
- 9. Multiple Choice
The aluminium strips in an electroscope are replaced by plastic strips and a charged body is brought in contact with the metal clip. will the electroscope work?
Yes
No
I don't know
- 10. Multiple Choice
What is the reason?
it is only a play
Static electricity
Electricity
- 11. Multiple Choice
Which of the following cannot be charged easily by friction?
A plastic scale
A copper rod
An inflated balloon
A woolen cloth
- 12. Multiple Choice
When a plastic refill is rubbed with polythene ,it acquires a —————- charge
Magnetic
Plastic
Small electric
None of these
- 13. Multiple Choice
Identify the image
Microscope
Endoscope
Electroscope
All of these
- 14. Multiple Choice
The process of transferring of charge from a charged object to the earth is called —————-
Charging
Uncharging
Earthing
All
- 15. Multiple Choice
Always lie down in an open place in case of lightening.
True
False
- 16. Multiple Choice
During lightening contact with electrical appliances should be avoided
True
False
- 17. Multiple Choice
How many types of charges are gained by rubbing objects?
2
1
3
4
- 18. Multiple Choice
During lightening actually ——- takes place
Electric discharge
Electric charging
Electric charge accumulation
All of the above
- 19. Multiple Choice
A lightning conductor usually has a rod made of
copper
glass
pastic
- 20. Multiple Choice
Identify the Y shaped structure in the given figure
Lightning rod
Plastic rod
Water pipe
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