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Q. Explain Telephone hand set and it’s working ?
A standard telephone set is comprised of a transmitter, a receiver and electrical network for equalization, associated circuitry to control side tone levels and to regulate signal power, and necessary signalling circuitry. Essentially a telephone setis an apparatus which creates an exact likeness of sound waves with an electric current. Figure demonstrates functional block diagram of a telephone set. Essential components of a telephone set are ringer circuit, on/off hook circuit, equalizer circuit, hybrid circuit, speaker, microphone and a dialling circuit.
Properties of Conductors and Insulators: This unit provides the basic characteristics or properties of the most common materials which are classified as semiconductor, conduct
Q. A 60-Hz, six-pole, wye-connected, three-phase induction motor, with the parameters R 1 = R 2 = 0.025 and Xl 1 = Xl 2 = 0.125 , is controlled by variable-frequency control
Merits: The circuit has the trend to stabilize operating point against changes in temperature and β-value. Demerits: In this type of circuit, to keep I C independent o
Example of unlike coplaner parallel force''
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Question: (a) For a CD quality sound, what is the bit depth used and give the amplitude's levels and the dynamic range of this sound quality (b) In audio technology, the dec
ADC Instruction This instruction is used to add the contents of any register of any register memory location and carry flag with the contents of accumulator and result i
why inductive load is use in electronics circuit?
a dc generator has 300 turns in each field coil. the flux per pol is 0.1 wb. find the average value of EMF inducet in field winding in the flux decays to zero in 0.3 second?
Stator Current Control Methods The torque and speed of an induction motor can be controlled by the stator current the motor behaviour is different from that with VS
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