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How would you find out how much current can flow through a piece of fuse wire before it melts?
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Does coil of wire with current passing through it magnetise a piece of iron?
yes it does the current flows in a wire it creates a magnetic field around the wire.
A piece of ice melts in one hand because heat moves from the hand into the ice. This is an example of heat transfer by?
conduction
Why are insulators of electricity used to prevent electric shock?
Because they prevent the electric current from passing through them and damaging the human who touched the source or another piece of electronics.
An electromagnet is a solenoid with a piece of ferromagnetic material within it?
Yes.
Does the metal need to be an certain size or length for an electromagnet?
You can make any metal piece of any size an electromagnet by wounding a conducting wire around it and passing an electric current through it....
A short piece of metal that melts when a large current passes through it is a?
Fuse
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 electrical safety device has a piece of metal that melts when a current becomes too strong?
A fuse.
How many volts can a strip of metal take before it melts?
It depends on a number of factors ! What kind of metal is it ? How big is the piece of metal ? What amps is the current running at ? Do you mean not enough information to answer.
How does electric fuse work?
It is simply a piece of wire. It's thin dimensions, limits the amount of current that can be sent through it before it melts. If too much current passes through it, it will get hot. When it melts, it falls apart and breaks the circuit. The thicker the fuse wire, the more current it will take before melting and the rating will be stamped on it. For convenience, the fuse wire is normally contained inside a cartridge of some sort. Sometimes a glass tube with metal end caps, where you can see if the fuse wire is intact inside. On modern car fuses, the wire is displayed across the top of a piece of coloured plastic with metal blades for connectors. The current rating is stamped on the top and the color gives a ready indication of the Amperage rating.
How does an electrical fuse work?
It is simply a piece of wire. It's thin dimensions, limits the amount of current that can be sent through it before it melts. If too much current passes through it, it will get hot. When it melts, it falls apart and breaks the circuit. The thicker the fuse wire, the more current it will take before melting and the rating will be stamped on it. For convenience, the fuse wire is normally contained inside a cartridge of some sort. Sometimes a glass tube with metal end caps, where you can see if the fuse wire is intact inside. On modern car fuses, the wire is displayed across the top of a piece of coloured plastic with metal blades for connectors. The current rating is stamped on the top and the color gives a ready indication of the Amperage rating.
What is the principle of electromagnetism?
pricinples of electromagnetism state that when current passes through a piece of wire magnetic field is generated around the piece of wire and when a piece of wire passes through the magnetic field current is induced into the piece of wire
What is the three principle of electromagnet?
pricinples of electromagnetism state that when current passes through a piece of wire magnetic field is generated around the piece of wire and when a piece of wire passes through the magnetic field current is induced into the piece of wire
What is fuse what is it made up of?
A fuse in its simplest form - is simply a short piece of wire that is weaker than the circuit it is protecting. When the current flowing through the circuit exceeds the fuse rating, the fuse wire melts - breaking the circuit.
Why you use fuse in circuits?
A fuse is a piece of thin wire in a small fireproof container, and current flows through it on the way to the appliance. If there is a fault in the appliance and too much current starts to flow, the fuse-wire melts and stops the current, and it stops any possible fire that the excess current could cause. So a fuse is an important safety device.
What a safety device that melts if the current is too big?
It is a fuse, a piece of metal wire, usually in a glass tube, that can only just carry the maximum allowed current. A current greater than the maximum allowed will melt the wire.
How does a fuse break?
A fuse is a piece of wire that has a lower current rating than the rest of the circuit. When power is applied to a wire, it heats up (which is why electrical items get hot with use). The fuse wire melts at a lower temperature than the rest of the circuit - meaning that it breaks before the device is damaged by high current.
