English National Curriculum - Science Science

4. Explore electrical resistance

Mission Objectives

Determine the total resistance of several resistors in series

Calculate the current or potential difference in a circuit

Describe the total resistance produced by resistors in parallel

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Keywords

Words and meanings to learn

resistance

The prevention of certain materials not allowing electrons to flow through them.

component

A part that is added with other elements to create a piece of equipment or a machine.

transmission

The process of something moving from one location to another such as around a circuit.

Ohm's law

A formula for the relationship between resistance, current and voltage in an electrical circuit and how to calculate it.

Omega

A symbol used to represent ohms meaning the electrical resistance of units.

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