Electrical Current

Many electrical devices are used as early warning systems such as burglar alarms, electric fencing systems and many more....

A foxhole radio basically consists of only a coil and a detector. You don't need a crystal diode or...

In this science experiment we will be learning more about electrical current, and how electrical circuits are useful to...

When a flash light is switched on, a simple electrical current is instantly completed as the 'electrons' flow from...

For people to advance in the field of electricity it is very important to learn the difference between two...

When electrical components are connected 'in series', it means that they are connected one after another in a chain....

A 'fuse' is used to prevent an appliance from drawing too much current and is also used in electrical...

Battery commercials and ads always boast how their brand is the very best. Surely, these brands cannot all be...

In the following science experiment, use the solar cell on a solar powered calculator as a light-measuring device to...

How would you know which terminal of a battery is positive and which is negative if it were not...