0
What else can I help you with?
Why fuse has high resistivity?
Fuses have high resistivity because they are typically made of materials like copper, silver, or alloys which have inherently high resistivity. This property allows the fuse to generate heat when current flows through it, ultimately leading to melting and breaking the circuit in case of a fault. The high resistivity ensures that the fuse can handle the current without immediately melting under normal operating conditions.
Is the resistamce of fuse wire high or low?
The resistance of fuse wire is low, typically in the range of 0.01 to 1 ohm. This low resistance allows the fuse wire to quickly heat up and melt when current exceeds a safe level, breaking the circuit and protecting the rest of the circuit from damage.
What are the main properties of the metals used to make a fuse?
The main properties of the metals used to make a fuse include low melting point for easy melting under high current conditions, high conductivity to allow electric current flow, and good thermal and electrical stability to ensure reliability and safety during operation.
How would you find out how much current can flow through a piece of fuse wire before it melts?
You can determine the rated current of the fuse wire by checking its datasheet or manufacturer specifications. If this information is not available, you can conduct a controlled experiment by passing gradually increasing currents through the fuse wire and observing the point at which it melts. Be cautious when working with high currents to avoid potential hazards.
What happens when current reaches a insulator?
When current reaches an insulator, the electrons cannot flow through the material because insulators have high resistance to the flow of electricity. This can lead to a buildup of charge on the surface of the insulator.
What is an electrical tool that melts to open a circuit if an electrical current gets too high?
fuse
What happens to the fuse if there is something wrong with the electrical equipment being used?
IF the current drain is too high, then it melts.
A what stops the flow of charges by switcing off the current if it gets to high?
That's a good description of a fuse or circuit breaker.
What is a high rupture capacity fuse?
This is a fuse that has the ability to interrupt a high fault current.
What is the factor of a fuse?
The main factor of a fuse is that it disconnects the supply voltage immediately from a fault load with out the current flashing over fuse link gap and have a continuation of a current flow. ON HRC fused this is done with silica sand. The fault current gets so high that it melts the sand into glass. Glass is an excellent insulator. The fault current is stopped immediately.
What does an fuse do in an circuit?
A fuse protects the (expensive) circuit for too high currents. When the current becomes too high the (cheap) fuse melts and the current is stopped, preferably before damage has been done to the circuit.
How does a fuse wire save an appliance from high electric current?
A fuse link will melt and interrupt the flow of current to the appliance before it can get high enough to damage the appliance or wiring.
This melts if the current gets to high?
The conductor's insulation can melt if the current gets higher than the ampacity of the conductor.
What happens to an atom at high temperatures?
It can fuse with another atom.
The fuse 13 A in a plug is intended to?
This is intended to protect the flex of a plug. A fuse is a little wire that all of the electricity coming into the appliance flows through. If something goes wrong and the current is higher than it should be, this fuse will overheat and burn out, thus breaking the wire and cutting the flow of electricity. If there was no fuse, the circuit would not be broken, this could overheat the plug and it could possibly catch fire. The 13A means that that fuse is set to 13 Amps of current, If it gets anything over that, the fuse will blow. Depending on the appliance the number will vary. 13A fuses are mostly used in the flexes of an appliance that have a high voltage, such as heating appliances like kettles fan heaters. When choosing a fuse for a plug you must choose a fuse that is higher than the current that the appliance has as current is higher when things are first switched on. If you choose a fuse that is too low for the appliance, the fuse will keep blowing out. Never choose a fuse that is too high for an appliance as this will not blow out if the current is too high.
Does the material used for a fuse wire need to have a low or a high melting point - a low or high ductility - a low or high resistivity?
The material for the fuse wire should have low resistance and a low melting point. Ductility is a incidental factor. As the current flow nears the fuse rating, the high current flow causes the wire to heat up quickly. It then melts, opening (breaking) the circuit. This is how the fuse limits the amount of current that can flow through a circuit.
What are the advantages of a HBC fuse over a cartridge fuse?
HBC (High Breaking Capacity, European term) and HRC (High Rupturing Capacity, North American term) fuses have the ability to break high fault currents. This is done by having silica sand in the fuse that the fuse elements travel through. On high fault current that sand will melt and turn to glass. This breaks the current flow immediatelyA cartridge fuse maximum current breaking capacity is very much lower than HRC, HBC because there is nothing in the fuse body except the fuse elements.
