The four elements of a complete (electrical) circuit: 1)A source of input (power supply) 2)A means of conductivity (usually wire) 3)A means by which to open and close the circuit (a switch) 4)An output device (motor, light bulb, etc)
battery, wire, and light bulb
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No, a capacitor in a circuit will not increase power. The capacitor is an electrical component that is used to provide resistance to a change in voltage. That's what capacitance is; it's how we define it. A capacitor (cap) can also be used to "couple" or "transfer" an AC signal in a way that isolates any DC component. Capacitors are used in waveshaping circuits in electronic circuits. The are used to store charge to "smooth" the output of a power supply. In power distribution systems, they are employed for "offsetting" the phase shifts introduced by the large number of inductive loads (like motors) on these circuits. And this things are just a start. Capacitors do not increase power in a circuit. They "give back" to a circuit, but only after "taking from" the circuit at another time. They are what is called a reactivecomponent, but they are passive. They don't "make" power and put it in a circuit.
It is because there is a light bulb and things like that......
The three things Thomas Edison invented are... 1. Electric lighting 2. Sound recording 3. Motion pictures
you need an electrical supply and a load. nice and simple.
If you ground the flow of current like the last part of your question states you will not have a complete circuit as the circuit will open on a short circuit. To make a complete circuit operate you need a power source, an overload device to protect the conductors of the circuit, conductors to carry the current and a load across the power source which causes the current to flow in the circuit. Leave any one of these things out and you will not have a complete circuit.
Voltage is the measure of the electric potential difference between two points in a circuit. It is not the force that causes motion directly, but it provides the potential energy needed to move electric charges through a circuit. The motion of electric charges in a circuit is driven by this potential difference, or voltage.
To have an electric current, you need a source of voltage (such as a battery or power supply), a complete electrical circuit (includes wires and components), and a conductive material (such as copper wire) for electrons to flow through.
battery, wire, and light bulb
voltage and ground
For a closed circuit to occur, you need a power source to provide energy, a complete loop or pathway for the current to flow through (including conductive materials and wires), and a load or device that uses the electrical energy flowing in the circuit. This allows the circuit to be continuous and functional.
For the circuit to be connected all the way round because if there are breaks in the circuit the electricity will not flow back round. and number 2 a battery or a power source because without power where is the electricity coming from to be honest. Hope it helped. Thanks. xx
A source of power, a load, and some wire to connect them together.
The things needed to build a circuit are:Circuit elements like resistor capacitors, inductors etcConnectors (cables)A source
A flow of electrons is needed to have a current. And there (usually) must be a complete circuit. And you need a voltage to make the current move around your circuit. All tied up in Ohms Law - which I'll leave to you.
To have electric current, you need a source of electric potential difference (voltage), a closed circuit that allows the flow of charges, and a conductive material through which the electric charges can move.