# SPM Physics Chapter 7: Electricity

RM10.00

## Description

### Course Content:

- Electric Charge
- Charge and Relative Charge
- Sum of Charge
- Concept of Neutral

- Electric Field
- Effect of Electric Field

- Current
- Direction of Current
- Unit of Current

- Potential and Potential Difference
- Arrangement of Ammeter and Voltmeter
- Ohm’s Law
- Ohm’s Law – Graph
- Ohmic Conductor
- Non-ohmic Conductor

- Resistance
- Factors Affecting the Resistance

- Understanding Circuit
- Series Circuit and Parallel Circuit
- Resistance in series and parallel Circuit
- Comparing effective resistance of a circuit
- Finding the resistance of an individual resistor

- Current
- Potential and Potential Difference
- Potential Change in a Series Circuit
- Potential Change in a Parallel Circuit

- Finding Current in a Series Circuit
- Finding Current in a Parallel Circuit
- Finding Potential Difference in a Series Circuit
- Revision Exercises

- Electromotive Force
- Difference between Electromotive Force and Potential Difference

- Internal Resistance
- Internal Resistance and Potential Difference Drop

- Measuring e.m.f. and Internal Resistance
- Open circuit-Close circuit
- Simultaneous Equation Method
- The Linear Graph

- Electrical Energy
- Electrical Power
- Effective Power
- Power rating
- Energy Consumption
- Efficiency of electrical appliance
- Steps to save electricity

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