0
A current of 2A passes through 12V electric bulb . The electrical energy consumed by the bulb in 20 min is?
Wiki User
∙ 10y ago
Assuming that you're truly running the bulb with 12 volts . . .
(2 amperes) x (12 volts) = 24 watts = 24 joules per second
(24 joules/second) x (60 seconds/minute) x (20 minutes) = 28,800 joules
Also, in electric-bill terms ... 0.008 kilowatt-hour
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What does it mean for an object to have electrical charge?
If an object has an electrical charged, it usually means that and electrical current also known as a flow of electrons is passing through it.
What kills you when you get an electric shock?
electric current through your nerves and/or muscles, especially through your heart
How do magnets magnetic fields electric currents and metals connect?
Well when an electric current flows through a conductor a magnetic field is produced. And a changing magnetic flux through a conductor produces a current in the conductor.
What happends when an electric current passed through a piezoelectric crystals?
They physically change shape.
When a switch in an electrical circuit is turned off what will happen?
Closing a switch in an electrical circuit will complete the circuit. The supply voltage will then be applied to that circuit, and current will flow through that circuit.
What flows through an electric circuit?
An electrical current.
What is the flow of electrical charges through a material?
Electric Current.
What is electrical energy converted into when electric current flows through the metal filament of a light bulb?
Electrical energy is converted into light and heat when electric current flows through the metal filament of a light bulb.
What colour does argon go when an electrical current runs through it?
When an electric current is passed through Argon, it becomes blue
When a electric current flows through a wire it creates a?
When an electrical current flows through a wire it creates what is called an Electro Magnetic Field.A magnetic field is create when an electric current flows through a wire.
How do you use Electric Current in a sentence?
Here are a few examples... - The electrical current is monitored. - The current of electricity is measured in volts. - The electrical current of telephone wiring is 82 volts. They may not be worded the same, but they have the same initial meaning.
How does a electric current flow through a light bulb?
The electrical current comes into the bulb from the metal side,flow through the filament ,and out the tip.
How can an electric current be kept flowing through a coil of wire?
By applying an electrical current constantly or by using a superconducting material.
What happens when an electric current passes through steam?
Basically, if you fill a room with steam and pass an electrical current through it... Does anything interesting happen?
What is a single path for electric current to flow through?
is called an electrical circuit
What kind of energy produced the television?
It is electrical energy as when you on the TV, electric current will flow through.
What is the energy associated with electric current is called?
Moving electrons possess kinetic energy, but the energy you are referring to is called electricity
