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Q. Use of Speaker?
Speaker:Basically speaker is the receiver for telephone. Speaker converts electrical signals received from local loop to acoustical signals(sound waves) that can be heard and understood by a human being. Speaker is connected to local loop through hybrid network. Speaker is typically enclosed in handset of telephone along with the microphone.
Q. What are the necessary conditions to maintain sustained oscillation? The use of positive feedback that results in a feedback amplifier having closed-loop gain |Af| greater t
Q. Give suitable block diagram to explain the working of electronic multimeter. Sol. An electronic multimeter is a laboratory instrument which is capable of measurement of
Question: (a) The forward path transfer function of a unity feedback control system is given by: (i) Draw the labelled block diagram representation of the control system.
an example and code for bargaining problem
Question: a) Give three ways how to reduce cost in embedded systems. b) What is a microcontroller? How is it different to a microprocessor? c) Briefly comment on the "A
Q. If a feeder circuit-breaker trips, what action is needed? Ans: First isolate the faulty feeder check the faulty area on which fault the breaker was tripped (open circuit,
what is the application of simple harmonic motion in electrical engineering?
Explain iron and silicon iron alloys. Iron: Galvanised steel and iron wires that are usually used for earth conductor in low voltage distribution systems may also be utilize
(a) A digital product is being tested for compliance to CISPR 22 Class A requirements. The receiving antenna is placed a distance of 30 m away and is attached to a 50 V receiver w
Q. (a) An ampli?er with F 0 = 3 or 4.77 dB, f 0 = 4 GHz, and BN = 14 MHz is used with an antenna forwhich T a =200K. The connecting path loss is 1.45, or 1.61 dB at a physical t
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