10 Questions
What is the outcome when a negatively charged ebonite rod is brought close to a positively charged glass rod?
The hung glass rod moves towards the ebonite rod.
How does a charged balloon stick to an uncharged wall?
The negatively charged balloon repels some of the negative electrons from the surface of the wall, giving it a slight positive charge that attracts the balloon.
What is the fundamental principle behind electrostatic phenomena?
The movement of electrons from one material to another.
In electrostatic painting, what is the purpose of charging the particles?
To attract the particles to the oppositely charged surface.
How does an electrostatic precipitator work?
By charging the particles and attracting them to an oppositely charged surface, resulting in their removal from the air.
What is the role of electrostatic charging in inkjet printing?
To deflect the charged ink droplets onto the paper, creating the desired print pattern.
In photocopying, how does the electrostatic charge help to transfer the image?
The electrostatic charge attracts the toner particles to the drum, creating an image that is then transferred to the paper.
What is the advantage of using electrostatic painting over traditional painting methods?
Electrostatic painting provides a more uniform and efficient coating, with minimal waste and reduced environmental impact.
How does electrostatic charging affect the behavior of particles in an electrostatic precipitator?
The charged particles are attracted to the oppositely charged surface, resulting in their removal from the air.
What is the underlying principle behind the use of electrostatic charging in inkjet printing and photocopying?
The attraction between unlike charges, which allows for precise control over the movement of particles.
Learn about the uses of electrostatic charges in various industrial applications, including paint spraying, photocopying, and printing. Discover how electrostatic charges can improve efficiency and reduce waste in these processes.
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