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Types of Charge and their Interaction - Some Natural Phenomena, Class 8 Science Video Lecture

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1. What are the different types of charges and how do they interact?

Ans. There are two types of charges: positive and negative charges. Positive charges are found in protons, while negative charges are found in electrons. Like charges repel each other, meaning two positive charges or two negative charges will push away from each other. On the other hand, unlike charges attract each other, so a positive charge will attract a negative charge.

2. How do charges interact in some natural phenomena?

Ans. Charges interact in various natural phenomena, such as lightning, static electricity, and the formation of thunderclouds. The interaction between positive and negative charges leads to the accumulation of charges in certain objects or regions. This buildup of charges can create electrical discharges, resulting in lightning or static electricity.

3. What is the role of charges in the formation of thunderclouds?

Ans. Thunderclouds are formed when water droplets and ice particles within a cloud interact with charges. The movement of these particles creates an imbalance in charges within the cloud, with positive charges accumulating at the top and negative charges at the bottom. This separation of charges leads to electrical discharges, which we perceive as lightning and hear as thunder.

4. How are charges involved in the phenomenon of static electricity?

Ans. Static electricity is the buildup of charges on the surface of an object. It occurs when two objects come into contact and electrons are transferred from one object to another, causing one object to become positively charged and the other to become negatively charged. The resulting attraction or repulsion between the charged objects is what we experience as static electricity.

5. Can charges interact without direct contact?

Ans. Yes, charges can interact without direct contact through a process called induction. Induction occurs when a charged object is brought near a neutral object, causing a separation of charges within the neutral object. The closer side of the neutral object to the charged object will experience an opposite charge, while the farther side will have the same charge. This separation of charges can lead to attractive or repulsive forces between the objects, even without direct contact.

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	Dec 03, 2024 Last updated

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