Humming , Electrical Engineering

Assignment Help:
I am getting humming noice in speaker when I connect to laptop on ac

when I put it on dc (battery) it''s dispear .

Please help

Related Discussions:- Humming

List few applications of microprocessor-based system, List few applications...

List few applications of microprocessor-based system. It is used: i. For measurements, display and control of current, voltage, temperature, pressure, etc. ii. For traff

Show the overall output limitations of speed control, Q. Show the Overall o...

Q. Show the Overall output limitations of Speed Control? The overall output limitations are as shown in Figure. With base speed defined as the full-field speed of themotor at t

Sampling of digital communication systems, Q. Sampling of digital communica...

Q. Sampling of digital communication systems? Sampling of an analog signal makes it discrete in time. A bandlimited signal can be recovered exactly from its samples, taken peri

ADC and DAC design, I''m trying to design ADC using MAX1198 and DAC using I...

I''m trying to design ADC using MAX1198 and DAC using IDAC in Multisim 12 but none of them are working. I need some help in this regard

Advantages and disadvantages of alloying steel with silicon, State the adva...

State the advantages and disadvantages of alloying steel with silicon for use as magnetic materials in transformer and electric machines. Extensive utilize, is made of iron-sil

Describe about boltzmann constant, Q. Describe about Boltzmann constant? ...

Q. Describe about Boltzmann constant? The constant η in Figure (b) stands for the noise power spectral density, expressed in terms of power per unit frequency (W/Hz). Statistic

Analyze diode circuit with rlc load, Q. Analyze Diode circuit with RLC load...

Q. Analyze Diode circuit with RLC load? Consider a diode circuit with an RLC load, as shown in Figure, and analyze it for i(t) when the switch S is closed at t = 0. Treat the d

Biasing the bjt, Q. Biasing the BJT? A simple method of biasing the BJT...

Q. Biasing the BJT? A simple method of biasing the BJT is shown in Figure. While no general biasing procedure that will work in all cases can be outlined, a reasonable approach

Explain dual slope adcs, Explain Dual Slope ADCs Dual slope ADCs make u...

Explain Dual Slope ADCs Dual slope ADCs make use of a capacitor connected to a reference voltage. The capacitor voltage begins at zero and is charged for a set time through the

Transistor as a switch, Transistor as a switch: Transistors are genera...

Transistor as a switch: Transistors are generally employed as electronic switches, for both of the high power applications including switched-mode power supplies and low power

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd