Circuits

By the end of this topic, you should be able to

Draw circuit components
Draw a simple circuit diagram
Describe how current flows in series and parallel circuits
Describe how voltage is used in series and parallel circuits
Predict ammeter and voltmeter readings in series and parallel circuits
Define conductors and insulators and give examples of both

Circuits

Electricity travels in closed loo, or circuits (from the word 'circle').

Circuit Introduction

Voltage, Current and Resistance

Batteries

How batteries work - TED Ed

Lithium-ion battery

Series and parallel Circuits

Ohm's Law

Ohm's Law states that the current flowing in a circuit is directly proportional to the applied potential difference and inversely proportional to the resistance in the circuit.

In other words, by doubling the voltage across a circuit the current will also double.

Volt is the unit for Voltage.
Amp is the unit for Current.
Ohm is the unit for Resistance.

Series Circuits

6 minutes

Parallel Circuits

SciPad works:

P.67: Electricity and Circuits
P.68-70: Circuit Symbols
P.71: Batteries
P.72: Conductors and Insulators
P.74-75: Parallel and Series Circuits
P.76-77: Current in a series circuit
P.78-79: Current in a parallel circuit
P.80-81: Voltage in a series circuit
P.82-83: Voltage in a parallel circuit

Circuits Basics - extension

Electric Circuits: Basics

Basics of the voltage and current laws

Circuit Construction Kit: DC

Series Circuit, Parallel Circuit

Electrical Conductivity

Conductors vs. Insulators

How Electricity works

Advanced Extension for Year 10

Wires

Wires | Electricity (3:58)

Sockets & Voltages

Sockets & Voltages In Different Countries (3:10)

Components

3 minutes

Fuses and Earthing

4 minutes - extension

Which is the Killer, Current or Voltage?

How Much Current Can Kill You?

Science ABC (5 min)

Which is the Killer?

ElectroBOOM (3 min)

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