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There are 4 types of charges in physics:
- Positive Charge: An object with an excess of protons compared to electrons is said to have a positive charge. It is conventionally represented by the symbol “+”. Examples of objects with positive charges include the nucleus of an atom and certain particles in the atmosphere during thunderstorms.
- Negative Charge: An object with an excess of electrons compared to protons is said to have a negative charge. It is conventionally represented by the symbol “-“. Examples of objects with negative charges include most free electrons and certain particles in the atmosphere during thunderstorms.
- Neutral Charge: An object is considered to have a neutral charge when there is an equal number of protons and electrons. This means that the positive and negative charges cancel each other out, resulting in a net charge of zero. Most objects in daily life are electrically neutral.
- Compound Charge: This refers to the situation when an object or system contains a combination of positive and negative charges. The net charge will depend on the overall balance of positive and negative charges within the system.
These charges play a fundamental role in the study of electromagnetism and are responsible for various phenomena such as electrical currents, electric fields, and static electricity.
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