An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off. Electromagnets are widely used as components of other electrical devices, such as motors, generators, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment, as well as being employed as industrial lifting electromagnets for picking up and moving heavy iron objects like scrap iron.
But what do you do when your Electromagnet breaks?! You make one of course!
What you need: Copper Wire, Iron Rod(s) and a power source.
Step 1 – Wrap the insulated Copper Wire around the Iron Rod (the more coils, the stronger the magnetic field).
Step 2 – Connect both ends to a power source, completing the circuit.
Step 3 – Turn the power source on!
But how do I make the Electromagnet even stronger?!
To make the magnetic field even stronger, you need to apply more current to the circuit.
SPEED!
Speed is the velocity the object is travelling at. It can be measured by KM/H, MP/H, MP/S etc. It’s basically how far the object travels in a certain time. The equation for speed is: Speed=Distance÷Time. Distance=Speedxtime. Time=Distance÷Speed.
‘The space shuttle will travel the first 50,000km of its journey in 2 hours. It will complete the second stage of its journey (750,000km) in 25 hours. Finally it will complete the last 260,000km in 20 hours.’
The space shuttle will travel the first 50,000km of its journey at 25,000KM/H (50,000KM/H ÷ 2). It will travel the second part of its journey going at 30,000km/h (750,000km/h ÷ 25). It will be going at the speed of 13,000km/h (260,000km/h ÷ 20) at the last stage of its journey.
On average, the Space Shuttle will travel at the speed of 22,667km/h ( 25,000km/h + 30,000km/h + 13,000km/h ÷ 3).