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Why do lights get brighter before they burn out?
When the tungsten in the lightbulb filament reaches the point where it cannot handle the current anymore, because too much of it has vaporized off, it momentarily has a higher amount of current go through it, just before it separates (burns out). From many hours of giving a steady glow, it dies in a last burst of energy flowing through it - more energy than it can handle.
What is a three point starter?
A three point starter is a device that is meant to help start a DC motor. A three point starter will start device without much starting current.
A wire carries a current of 6.0 amperes How much charge passes a point in the wire in 120 seconds?
720 C
19 An electric heating element is connected to a 110 V circuit and a current of 3.2 A is flowing through the element How much energy is used up during a period of 5 hours by the element?
1,760Wh
A string of 20 Christmas tree lights are connected in series to a 20 volt power source The bulbs each have a resistance of .5 ohm How much current is flowing through the circuit?
2 amps. If it is D.C.
How much current is flowing when 16 coulombs pass a specified point in 4 seconds?
If you divide the charge by the time, you get the average current (in amperes).
If 10 coulombs of charge passes a specified point in 2 seconds how much current is flowing?
10/2 = 5 coulombs per second = 5 amperes.
What protective devices do you have if too much current is flowing?
Electric fuse
When phase and neutral are glowing what is the problem in circuit?
There is more current flowing and the wire can not flow that much current.
What object keep too much Current from flowing through a circut?
fuse
What is a device that keeps too much current from flowing through wires?
closed circuit
What is a component included in a circuit and designed to prevent too much current from flowing through the circuit?
A fuse.
What component included in a circuit and is designed to prevent too much current from flowing through the circuit?
A fuse.
How could you prevent too much current from flowing through a wire?
You can prevent too much current from flowing through a wire by using a fuse or a circuit breaker in the electrical circuit. These devices are designed to interrupt the flow of current when it exceeds a safe level, protecting the wire from overheating and potentially causing a fire.
What is a hypothesis stating how a fuse is used to prevent too much electric current from flowing through a circuit?
This would not be a hypothesis, but an explanation. A fuse is a piece of wire with a low melting point which melts if too much current flows in the circuit. It is designed to break before the rest of the circuit is damaged.
What is purpose of the Earth wiring?
When there is too much current flowing through a circuit the earth wire will take the current away and prevent someone from getting an electric shock
What is a circuit which will allow flowing current?
As long as an electrical power source is connected to itself with electrical conductors of some kind, then a current will flow through it. How much current will depend on the components used in the circuit.
