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Update Unit_4_Physics_Study_Sheet.md

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Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md
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- After the charged object is removed, the object will reutrn neutral. This is why this is a temporary way of charging an object.
### 2. Charging by Induction Permanently: Induced Charge Separation + Ground
- Basically, after being touched by a charged object, the neutral object will have a temporary charge, then the ground removves some of the electrons in the object, and afterwards, the object stays positive.
- If the object is removed before the ground, it goes by to neutral, the ground must be **removed first** inorder to permantely charge the object.
- Basically, after being touched by a charged object, the neutral object will have a temporary charge, then the ground removes some of the electrons in the object, and afterwards, the object stays positive.
- If the object is removed before the ground, it goes back to neutral, the ground must be **removed first** in order to permantely charge the object.
## Conductors and Insulators
- A conductor is a type of material that allows electrons to flow easily throught it.
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- <img src="https://files.catbox.moe/hwymit.png" width="500">
- <img src="https://files.catbox.moe/r68d9o.png" width="500">
### Mandatory Componenets
1. **Energy Source**: `Releases energy` to provide power to other componenets that are connecter
1. **Energy Source**: `Releases energy` to provide power to other componenets that are connected
- Example Electrochemical cell, battery, electrical outlet...
2. **Load**: `Converts` electrical energy into other form of energy.
- Example: Light bulb, heater, fan, motor...
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- Example: Copper wire, gold wire, silver wire.
### Optional Items
1. **Switch**: Turns the electric circuit ono or off **by cutting off the path**.
1. **Switch**: Turns the electric circuit on or off **by cutting off the path**.
2. **Measuring Device**: Measures the `electrical property` of the circuit.
3. **Fuse**: `Safety device` to prevent further damage to other electrical components.
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- the `difference` in electrical potential `energy` when a charge moved between `2 points` in an electric circuit.
- **Symbol** for **Voltage**: `V`.
- **Unit** for **Voltage**: `Volt[V]`
- **1V = 1J of enery per 1C of charge** (each coulomb of charge have 1J have energy).
- **1V = 1J of energy per 1C of charge** (each coulomb of charge have 1J have energy).
- The **voltage** is measured by a `voltmeter`.
- It is connected `in parallel` to the item you want to measure, which means you `create a new path` for the voltmeter next to the item you want to measure.