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Two types of microphones that use magnetic induction are dynamic microphones and ribbon microphones. Dynamic microphones operate using a diaphragm attached to a coil of wire placed within a magnetic field, generating an electrical signal in response to sound vibrations. Ribbon microphones utilize a thin metal ribbon suspended in a magnetic field, which produces a voltage when the ribbon vibrates due to sound waves. Both types are known for their durability and ability to handle high sound pressure levels.
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What are the two types of fault in induction motors?
bearing faults and circuit connection faults
What is electromagnetic induction and how is it used in a transformer?
Electromagnetic induction is the process by which a changing magnetic field generates an electric current in a conductor. In a transformer, this principle is utilized by having an alternating current flow through a primary coil, which creates a varying magnetic field. This magnetic field induces a voltage in a secondary coil, allowing for the transfer of electrical energy between the two coils and enabling voltage transformation. Transformers are essential in power distribution, allowing high voltages to be stepped down for safe use in homes and businesses.
What is the starting method of synchronous motor?
There are 5 types of starting in induction motors: 1) resistance variable method 2) auto transformer method 3) slip ring induction motor method Squirrel cage induction motor using two types of starting methods 1.Direct on line starter 2.Star delta starter
How can you reverse the direction of rotation in an induction motor?
A single phase induction motor has two sets of coils and a centrifugal start switch. The start winding is in series with the start switch. The start winding provides a rotating magnetic field in one direction enabling the motor to start. The motor can be reversed by reversing the connections of either the start winding or the run winding but not both.
What is the two differences between AC and DC?
Alternating current is bi-directional current that changes its direction frequently in circuit wheras Direct current is uni-directional current that does not change its direction when flowing in a circuit. In transformer(be it step up or step down) ONLY AC is used.This is because the direction keeps on changing so due to this the magnetic field also varies.So this leads to electromagnetic induction and there by this is the principle of a transformer. DC cannot be used in this because the direction does not change and due to this there is no change in the magnetic field and thereby electromagnetic induction does not take place
What are the different types of induction?
According to types ofrotors....Induction motors are classified into two types. They are1.sqirrel guage induction motor2.slip ring induction motor/...........
What are two types of motors used for hermetic compressors?
Rotary and Induction
What are the applications of deflection magnetometer?
To compare the magnetic moments of two different bar magnets. To check the earth magetic moment. To verify inverse square law . Compare earth's magnetic induction . determine the horizontal component of the earth's magnetic induction .
What are two types motors used for hermetic compressors?
Rotary and Induction
What are the different types of induction motors?
DOL(Direct Online starting) Star Delta starting Auto transformer starting Above methods are for squirrel cage induction motor Rotor resistance starting is used for wound rotor or slip ring induction motor
When was Two Songs by the Microphones created?
Two Songs by the Microphones was created in 2007.
What are the two types of fault in induction motors?
bearing faults and circuit connection faults
What are the type of ROM?
two types - magnetic in the form of magnetic tape,magnetic disc and optical in the form of compact disc.
How many types of storage loops exits in magnetic bubble memory?
There are two types of storage loops exits in magnetic bubble memory.
How many types of compasses are there?
There are two main types: Magnetic compasses and gyro compasses.
Why doesn't the iron in human bodies attract magnetic objects?
There are two types of iron: magnetic and non-magnetic iron. The iron in your body is the non-magnetic kind.
How many types of poles are there?
Two. Magnetic north and true north.
