How to demagnetize the screwdriver, Physics

Assignment Help:

Q. Jingdan turned a screwdriver into a magnet by rubbing it with a strong bar magnet to pick up a screw that has fallen into an inaccessible spot.

How could he demagnetize his screwdriver after picking up the screw?

 

He could drop it, heat it, hit it with a hammer, or somehow otherwise jiggle the magnetic domains into randomness.


Related Discussions:- How to demagnetize the screwdriver

Michelson inferometre experiment, Why the fringes are in circular form and ...

Why the fringes are in circular form and how does it form?

Define ultimate strength , The stress at which the specimen breaks or reptu...

The stress at which the specimen breaks or reptures ultimately is known as ultimate strength. We also called this TENSILE STRENGTH .

Light reflection, what are the advantage and disadvantages of light reflect...

what are the advantage and disadvantages of light reflections

Wedge consraint, what is wedge constraint? explain with example.

what is wedge constraint? explain with example.

An example of measured wavelength by astronomers on earth, A galaxy in the ...

A galaxy in the constellation UrsaMajor is receding from the earth at 15,000 km/s. If one of the characteristic wavelengths of the light the galaxy emits is 550 nm, what is the cor

Determine the maximum bending moment, The weightless simply supported beam ...

The weightless simply supported beam below has a VDL of P61kN/m, a point load of P62 kN and a UDL of P63 kN/m as shown.  Determine the vertical reaction force at A the maximum bend

Illustrate what is balanced field takeoff, Q. Illustrate what is balanced f...

Q. Illustrate what is balanced field takeoff? Answer:- A balanced field with admiration to aircraft takeoff performance refers to the minimum length of runway that will pe

Explain how will you perform ward radiography, Question 1. Explain how ...

Question 1. Explain how will you perform ward radiography? 2. Discuss the radiographic projections recommended for imaging the first to third cervical vertebrae? 3. Write

What are the objectives to know about working of ultrasonics, What are the ...

What are the objectives to know about working of ultrasonics? Objectives of ultrasonics: a. Understand the term ultrasonics. b. Describe the principle, working and constr

How are amps and watts related, How are amps and watts related? In a nu...

How are amps and watts related? In a nutshell, the power (measured in watts) dissipated by a resistance is directly proportional to the square of the current (measured in amper

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