answersLogoWhite

0

Air pressure developed in the lungs blown into the mouth cavity and across the reed causes the reed to produce a mechanical resonance (it vibrates) at the natural resonant frequency of the reed.

In the case of most reed instruments further tuning is achieved by changing the resonant cavity size of the instruments piping.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is a reed switch used for?

A reed switch uses two magnetized strips of metal to make or break a contact when a magnet is brought close to them. The door magnet near a reed switch on the door casing will cause the reed switch to close and moving the magnet away will cause the reed switch to open.


How electromagnet works on reed switch?

When an electromagnet is turned on, it generates a magnetic field that attracts the metal reed in the reed switch, causing the switch contacts to close. When the electromagnet is turned off, the magnetic field disappears and the contacts open again. This allows the reed switch to act as a sensor or control device in various applications.


How does metal corrosion affect a reed switch?

Metal corrosion can lead to the formation of insulating layers on the metal contacts of a reed switch, preventing proper electrical contact. This can result in unreliable switching behavior or complete failure of the reed switch. Regular maintenance and protection from corrosive environments can help prolong the lifespan of a reed switch.


Does a key or reed switch have a symbol which could be put in a circuit diagram?

Yes, both a key switch and a reed switch have standard symbols that can be used in circuit diagrams. The symbol for a key switch is typically represented as a rectangle with a gap in the top portion, symbolizing the key inserted. The symbol for a reed switch is often depicted as a rectangle with two parallel lines inside to represent the reed contacts.


How do reed switches work?

Reed switches work on a basic principle whereby the reed switch is a hermetically sealed glass tube containing two ferromagnetic reeds that will actuate when in the presence of a magnetic field. The magnetic field may be generated from a ferrous metal such as iron, a permanent magnet such as rare earth types and/or an electromagnetic coil as used in a reed relay.Reed switches have various electrical properties such as their sensitivity range which is generally specified in ampere turns (AT). The AT or sensitivity of the reed switch refers to the open and close points of the switch.When a reed switch is used in conjunction with a permanent magnet, it referred to as a reed sensor. Typically the reed switch is mounted to a fixed object and the magnet to the moving object. The strength of the magnetic field as well as the position and movement of the magnet relative to the switch will determine how many open and closure points will take place.Example: Parallel movement of the magnet to the switch can produce either one or three switch closures depending on its distance from the switch.


Can a reed switch affect the brightness of a bulb?

It can, but it should not. If it does, then the reed-switch is defective ... its contacts have most likely deteriorated on account of excessive current at some time.


What machine uses a reed switch?

A washing machine is an example of a household appliance that may use a reed switch. Reed switches are commonly used in appliances for tasks such as detecting the door position (open or closed) or monitoring water levels.


Why does more current flow through copper wire than a reed switch?

Ideally the reed switch should be able pass as much current as the wire supplying it. A voltage drop across the switch would indicate resistance and suggest that the maximum rated current has been exceeded. Reed switches are delicate and should only switch small currents. They are used where actuation by a magnet is required, without mechanical interference. To switch larger currents a relay should be used, fed from the reed.


How do you replace the speed sensor on your 1998 Hyundai elantra?

The speed sensor is a timy magnetic reed switch located inside the speedometer cluster in the dash. The reed switch is magnetically triggered by a magnet that spins in the speedometer cable.


Is piper reed a fantasy book?

No, the Piper Reed series is a work of realistic fiction.


How is reed relay switch used in burglar alarms?

Lets look at the two devices in one, separately first. A reed switch looks like a elongated tiny light bulb. Inside, if your eyesight is good, you can see two overlapping, flat metallic reeds, that don't quite touch each other. Bring a magnet in close proximity and they will make contact, thus potentially closing a circuit. So you put a magnet on a moving object, like a door or window and the reed switch on the surrounding frame. When the door or window is closed and the magnet is very close to the reed switch, say no farther away than a quarter inch or half centimeter, it is activated and you can send some electricity through it, like a switch, to an alarm. Whooops, you probably already see the problem. We want the opposite to happen. We want electricity flowing to our buzzer, bells, lights etc, when the reed switch is open, i.e. magnet removed from proximity of reed switch. That's where the relay comes in because it's a double throw switch. When closed on two terminals, it's open on the other two, so we can reverse the situation with our reed switch by including the relay. Furthermore, relays can handle a lot more electrical current than a tiny , fragile reed switch. We can use the appropriately rated relay to even turn on some high wattage lights, when activated.


A switch made from two thin pieces of metal which closes when it is in a magnetic field?

The switch you are referring to is likely a reed switch. It consists of two thin metal reeds encased in a sealed glass tube. When exposed to a magnetic field, the reeds are magnetized and attracted to each other, closing the switch and completing the circuit. Reed switches are commonly used in various applications such as proximity sensors, alarms, and reed relays due to their simple and reliable operation.