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Electroscopes detect electric charge by the motion of a test object due to the Coulomb electrostatic force. The electric potential or voltage of an object equals its charge divided by its capacitance, so electroscopes can be regarded as crude voltmeters. The accumulation of enough charge to detect with an electroscope requires hundreds or thousands of volts, so electroscopes are only used with high voltage sources such as static electricity and electrostatic machines.

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10y ago

When the probe of the electroscope is brought near a charge, free charges in the electroscope rod are either attracted to or repelled from the probe. This leaves a net charge at the other end of the rod (since the electroscope as a whole is electrically neutral). Since the other end of the rod is charged, its parts repel each other (since like charges repel). Thus, the gold-leaf indicators spread apart.

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Q: How does an electroscope work to detect static electricity?
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Related questions

How does the electrostatic generator work?

The electric static generator is a device that produces static electricity, or electricity at high voltage


Can a light bulb work with static electricity?

No


What condition does static electricity work best?

humid


How does a electroscope work?

1


What is a way to make static electricity?

I have learned some things about it. Maybe your hair is static. It depends. A wooly dress or coat might just work.


What is a contact force?

when two objects need to touch each other to work, an example for a contact force is static electricity. !


Why does static electricity not work on picking up paper?

Wood, linen cloth and vellum{ sheepskin } all have poor conductivity .


How does hot hands by heat max work?

Ir rubs and it makes static electricity so it makes your hands worm.


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you can be killed with a baseall bat and and a hammer but not a static electrical wop. people live in the world not knowing how things work but everything is round, kinda like yo mommas ass.


What special process is required before handling electronic circuit boards or ICs?

discharging of static electricity from body, work surface, tools, etc. even a couple hundred volts of static electricity accidentally discharged through a part can destroy it or damage it enough to cause a failure later.


Can electric tornadoes happen?

No. While tornadoes are usually accompanied by lightning and can sometimes produce static discharges, electricity has nothing to do with the way they work.


Can static electricity do work and how do you know?

Yes. Static electricity can do work.I know because when I draw a rubber comb through my hair on a dry day and then pass itover a bunch of bits of tissue on the table, the bits of tissue jump straight up to the comb.The static charge on the comb exerted a force on the tissue bits, and the product of the forceon each bit multiplied by the distance through which it jumped is the work done on it by thestatic field.