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What else can I help you with?
What is inside of a light bulb and how does it work?
In an incandescent light bulb, a positive and negative (or neutral wire) are connected by a tungsten filament in a vacuum. An electrical current passes through the thin filament, heating it very hot and causing it to glow. Eventually, after repeated use, the tungsten filament gets quite thin and eventually breaks, which is what happens when the light bulb burns out! Also, if the filament is exposed to oxygen while the current is flowing, the filament will break melts.TIP: DON'T USE INCANDESCENT LIGHT BULBS... SWITCH TO ENERGY-SAVING COMPACT FLUORESCENTS!!!!Actually most incandescent light bulbs have argon and nitrogen inside them. Early lightbulbs were vacuums.
Does current electricity have positive and negative charges?
No electric charges may be positive or negative - electrons have a negative charge; ions have a positive charge.
How can you demonstrate that a light bulb emits electrons by thermionic emission?
Edison was said to have noted this emission when a wire paralleling a light bulb filament showed current flow if the filament was more negaive than the wire, but not if the filament was more positive than the wire. Note that the wire is not touching the filament. The wire was inside the bulb with the filament. First Edison lit the bulb with a simple battery circuit. Then the wire was connected to a current meter and other terminal of the current meter to a second battery and the other end of the second battery to either end of the first battery. Depending on which way the second battery is set, the ammeter indicates an electric current flowing through the wire or not.
What are small particles that have mass and positive electrical charge?
Electrons carry electricity within an atom.
Which direction does electricity flow with a d-cell?
Electricity flows from the negative terminal (-) to the positive terminal (+) in a D-cell battery.
How is electricity produced in a flashlight?
When a flash light is switched on the circuit between the lamp and the batteries is complete. When the circuit is complete, the electrons flow from the positive terminal of the batteries through the tungsten filament back to the negative terminal of the batteries. Once the electricity flows through the filament it starts glowing producing a bright light. When the the torch light is switched off the circuit is broken and the flow of electricity is disrupted switching off the light.
What is the driving force for the flow of electricity in battery's?
The driving force for the flow of electricity in a battery is the potential difference, or voltage, between the positive and negative terminals. When a circuit is connected, this voltage pushes electrons from the negative terminal to the positive terminal, creating an electric current.
Why does a bulb in a circuit not work?
A light bulb is not lit when the swtich is not connected to the wire becasue there is no flow of electricity, specifically, flow of electrons. By disconnecting the wire, the bulb is no longer connected to the electricity source.
When an ammeter is connected in a circuit which terminal of the battery must be connected to the positive terminal of the ammeter?
The positive terminal of the battery would be connected to the positive terminal of the ammeter. The load would then be connected between the two negative terminals, positive side of the load being connected to the negative side of the ammeter.
Does electricity travel negative to positive?
It is positive to negative.
What will happen when a wire is connected to the positive end of a fresh battery if there is nothing else in the circuit?
Nothing will happen. There has to be a complete a circuit for the battery to function thus allowing for the flow of electricity.
How does electricity flow through a battery?
In a battery, electricity flows when chemical reactions within the battery create an imbalance of electrons between the positive and negative terminals. This creates a potential difference, or voltage, which forces electrons to flow from the negative terminal to the positive terminal through an external circuit, powering devices connected to the battery.
Does it hurt to leave a gps in car charger connected to power while the gps is disconnected?
Not at all. When the GPS is connected the circuit is closed/complete. Once the unit is disconnected the circuit is open and electricity doesnt make a full pass from negative to positive.
Which cable is positive and which is neg?
On a vehicle the red is positive (+) and the black is negative (-). If they are not color coded the cable connected to the starter is positive and the cable connected to the engine or chassis is negative.
How must the light bulb be connected in order for it to light up?
The light bulb must be connected in a closed circuit with a power source, such as a battery or electrical outlet, for it to light up. This means that the positive terminal of the power source must be connected to the positive terminal of the light bulb, and the negative terminal of the power source must be connected to the negative terminal of the light bulb. This allows the flow of electricity to power the light bulb and make it light up.
Does electricity travel from positive to negative or negative to positive in a circuit?
It goes negative to positive.
Do magnets have electricity in them?
both magents and electricity have positive and negiteve charges
