NEET > Physics Class 12 > Introduction to Electric Charges
Introduction to Electric Charges Video Lecture - Physics Class 12 - NEET
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154 videos|444 docs|185 tests
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FAQs on Introduction to Electric Charges Video Lecture - Physics Class 12 - NEET
| 1. What is an electric charge? |  |
Ans. Electric charge is a fundamental property of matter that can be positive, negative, or neutral. It is a property of subatomic particles, such as electrons and protons, that determines how they interact with each other.
| 2. What is the difference between positive and negative charges? | |
Ans. Positive charges are associated with protons, which have a positive charge, while negative charges are associated with electrons, which have a negative charge. Positive and negative charges attract each other, while like charges repel each other.
| 3. How is electric charge measured? | |
Ans. Electric charge is measured in units called coulombs (C). One coulomb of charge is equal to the amount of charge that flows through a wire in one second when a current of one ampere (A) is flowing.
| 4. What is the relationship between electric charge and electric current? | |
Ans. Electric current is the flow of electric charge through a conductor. The rate at which electric charge flows is measured in units of amperes (A), which is defined as one coulomb of charge per second.
| 5. How can electric charge be transferred from one object to another? | |
Ans. Electric charge can be transferred from one object to another through a process called charging. This can happen through contact, where electrons are transferred from one object to another, or through induction, where a charged object can influence the distribution of charges in an adjacent object without touching it.
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154 videos|444 docs|185 tests
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Timeline
| 00:00 | Activity: Plastic comb attracting pieces of paper |
| 00:45 | What is electric charge? |
| 00:54 | Types of Electric Charge |
| 01:12 | Activity: Conclusions |
| 01:56 | Does metallic comb attract pieces of paper? |
| 02:58 | Question 1 |
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