To make a solenoid, you need a hollow cylinder, a battery and lots of conducting wire. The wire must be wound dozens of times around the cylinder, with both ends connected to a battery. This allows the current to flow, replicating the effect of a bar magnet.Know More
Determine the size of your solenoid, and arrange for materials accordingly. For a hollow cylinder, arrange for something similar to the cardboard of a toilet roll. Length of the conducting wire should be adequate for three to four dozen winds around the cylinder. Get a battery of an appropriate voltage. In this case, a 5-volt should work fine.
Wind the conducting wire in tight, close packing around the cylinder around 40 to 50 times. The ends of the wire should be left loose to connect to the battery.
Attach one end of the wire to the positive and one end to the negative terminal of the battery. To test the solenoid, lower a piece of conducting metal or a magnet into the cylinder. Due to the induced magnetic field of the solenoid, the metal piece or magnet should be seen moving inside the cylinder.
A wire ampacity table is a chart displaying the electrical amp rating carried by specific wire types and gauge sizes. Amperage is a measure of the electrical current flowing through a circuit, which is measured in amps. Proper wire size must meet specific amp limits.Full Answer >
According to the Union University Department of Physics, when an electric current passes through a solid copper wire, the electrons move forward, but the protons within the positive atoms of copper do not. Electricity travelling through a wire moves at an extremely fast speed and is capable of powering anything from a light bulb to a laptop.Full Answer >
A common wire is either a connecting wire or a type of neutral wiring, depending on the electrical circuit. When it works as a connecting wire, the wire connects at least two wires of a circuit together.Full Answer >
Dynamos produce electric current by rotating a wire within a magnetic field. Another method rotates a permanent magnet around coils of wire. Both processes produce alternating current because the wire passes between two magnetic poles every half turn. A commutator can turn the alternating current into direct current pulses, a common practice in early days before alternating current became the standard.Full Answer >