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There are two types.
A fuse is a piece of wire that is thinner than the circuit it is placed in series with. Any excessive current causes the fuse to melt and this cuts off the power. The fusing current is somewhat unpredictable.
A circuit-breaker is a resettable device that can be set to interrupt the supply at a fixed amount of current.
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When electric currents are not allowed to flow the circuit is called a?
non conductor
What are things like batteries which provide energy called?
Generators or storage devices for electric charge which they can release as a "flow of charge" called an "electric current".
Do warm currents flow toward the equator or away?
What direction do surface currents near the equator flow?
Ocean currents flow near the equator from the east to west. Ocean currents flow near the poles from west to east.
Why do warm ocean currents cool as they flow along a coastline away from the equator?
Warm ocean currents cool as they flow along a coastline away from the equator because sand and minerals are transported by ocean currents away from the equator.
What best describes electric currents?
The flow of electrons
When electric currents are not allowed to flow the circuit is called a?
non conductor
The electric force that makes current flow in a circuit is related to the what?
The electric force that makes current flow in a circuit is related to the resistance.
What happens to the currents in a circuit?
a cell pushes electric currents around a circuit.If there are two or more cells then more currents will flow through them.
What do electric currents look like?
You can't see a flow of electrons, which is what a current is.
What opposes the flow of an electric currents?
Resistance in OMS: In alternating current is is measured in impedance.
What is the path over which electric currents flow?
Electricity always follows the path of least resistance.
What is the path for transmitting electric currents?
Electric currents flow from the source through the circuit and back to the source in materials called conductors.
What is the difference between electric currents and electric charge?
Electric current is a flow of electrons is a measure of the quantity of electrical charge passing any point of the wire in a unit time.And, electric current is measured in ampere (A).Whereas, electric charge is the quantity of electricity that flows in electric currents . And , it is measured in coulomb (C)
When electric currents flow in the same direction through two wires the wires attract each other why?
magnetism
Is it true that in a series circuit electric currents flow through more than one path?
more than 1
What are things like batteries which provide energy called?
Generators or storage devices for electric charge which they can release as a "flow of charge" called an "electric current".
