Electricity - An Introduction
This page describes a Qedoc learning module or quiz entitled "Electricity - An Introduction". You can download the module from this page to put on your computer. You can also launch the module straight off the web using the launch quiz link on the right-hand side of this page. Another way to access this quiz is to install the Qedoc Quiz Player and bring up its directory of downloadable quizzes. Whichever way you choose to use it, it's free.
A basic introduction to electricity, suitable for secondary school physics.
The following is a short sample of the questions in this module and may help to better assess the level, topic and suitability of the material for your purposes. Images are omitted and the questions may not make complete sense without the context of the interactive answer activities which follow them in the module. To best preview this module, click the launch link at the top right of this page.
- Current fl owing through a solenoid sets up a magnetic flux. If an iron core is added to the solenoid while the current is maintained at a constant value, the magnetic flux will:
- A 12 ohm filament lamp was found to be taking a current of 2 A at full brilliance. The voltage across the lamp under these conditions is:
- A site measures 150m by 100m. A drawing is produced having dimensions of 75cm x 50cm. The scale from drawing to site will be?
- Two identical resistors are connected in parallel across a 24 V battery. The voltage drop across each resistor will be:
- Two identical resistors are connected in series across a 24 V battery. The voltage drop across each resistor will be:
- An electrician is to complete the second fixing of complex equipment. The type of information required will be?
- A source of information that could be used to provide details of electrical plant or equipment would be?
- Resistors of 20 Ω, 40 Ω and 60 Ω are connected in parallel. The total resistance value will be:
- Resistors of 20 Ω, 40 Ω and 60 Ω are connected in series. The total resistance value will be:
- Resistors of 6 Ω and 3 Ω are connected in parallel. The combined resistance value will be:
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- Fairly easy: if you wish to have the module downloaded to your desktop, then start the Qedoc Quiz Player (which you can download and install on your computer if you haven't done so yet) and run through the starting dialogues until it presents you with a list of modules to load. Switch to the online learning modules tab, and the Qedoc Quiz Player will download a list of currently published modules from the web. Choose your desired module (this one) from the list. A local copy will then be kept on your computer for future use.
- Not so easy: click the download link at the bottom of the "quick facts" box and the module's ZIP file will download to your desktop. To actually use this, however, you must move it to the /player/modplay subdirectory of whichever directory the Qedoc software is installed in (usually /programme files/qedoc).
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