The "why" is a bit hard to answer, but this is just part of a more general situation: you need an energy source to make ANYTHING work. The real reason for all this is the so-called "Second Law of Thermodynamics".Specifically in the case of an electrical circuit, a current will flow as a result of a voltage. The details are expressed in Ohm's Law.
are you dum?a circuit with a source of energy and at least one conductor is blah.
battery, generator, alternator, etc.
The circuit needs some sort of energy source. This can be a battery/cell, or an AC outlet for example.
The energy can come from just about any source of AVAILABLE energy.
Nitrous oxide
power source, wire, switch, end fixture. Simplest circuit would be a power source and a heating element. No wire or switch needed.
Ultimately this is a special case of the Second Law of Thermodynamics.In the case of an electric circuit, consider Ohm's Law. Without a voltage, you will have no current. Also, if a current flows, keeping up the voltage requires power.
For it to meaningfully to be a circuit, electrons must flow round the complete circuit. Thus a source of energy is needed, be it a battery, or the mains electricity.
are you dum?a circuit with a source of energy and at least one conductor is blah.
the energy source cercuit the diagram with coultghmtr that destryos the circuit
battery, generator, alternator, etc.
energy source :)
battery, generator, alternator, etc.
The battery helps the wires complete the curcuit.
The bulb converts energy from the power source into light and heat. It is the load in the circuit.
open circuit is when there is a break in your closed loop circuit (example: loose connection) and no current is flowing
It is needed to cause the ions to seperate.