High frequency alternating current by a loud speaker, Physics

Assignment Help:

Give reason that ultrasonics not be produced by passing high frequency alternating current by a loud speaker

At these high frequencies, inductive reactance is so high where is no current flows throughout the coil of the loud speaker and therefore ultrasonic waves cannot be produced.

 


Related Discussions:- High frequency alternating current by a loud speaker

Rectangular coordinate system, A negative point charge of 10 -6 coulomb is...

A negative point charge of 10 -6 coulomb is located in air at the origin of a rectangular coordinate system. A second negative point charge of 10 -4 is situated on the positive x

Current density between the plates, 2. The dipole in problem is removed and...

2. The dipole in problem is removed and the space between plates is filled with Cu of conductivity σ (look up the value). (a) Derive an expression for the current density betwee

Electricity, help by post offoce box explan rasistance of a wire

help by post offoce box explan rasistance of a wire

Refractive astronomical telescope, Refractive Astronomical Telescope: I...

Refractive Astronomical Telescope: It is an optical instrument which is used to see heavenly bodies such as stars, moon and planets is known as telescope. Astronomical teles

The effects of the angle of the sun''s rays, Demonstrating the effects of t...

Demonstrating the effects of the angle of the sun's rays on the quantity of heat and light received by the earth Bend a piece of cardboard and make a square tube 4 cm2 in cros

How the temperature of a hot object is lost, The topic for the project is N...

The topic for the project is Newton's Law of Cooling, although you may choose a different title. The aim is to research how the temperature of a hot object is lost when it is kept

Explain electric circuit, Electric Circuit: The path by which an electr...

Electric Circuit: The path by which an electric current passed is known as an electric circuit. The electric appliances are known as resistance.

Resonance, give applications of resonance

give applications of resonance

Semiconductor materials: silicon carbide, It has large energy gap 3.0ev and...

It has large energy gap 3.0ev and is regarded as high temperature semiconductor. It is extremely refectory subliming in the region of 2800 0 C. Because of large band gap it is hope

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