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

Holes in semiconductors , (1) Holes works as virtual charge, although there...

(1) Holes works as virtual charge, although there is no charge on holes. (2) Effectual volume of hole is more than electron. (3) Mobility of hole is fewer than electron.

What is the upward angle of the force, A toy car with a mass of 0.75 kg is ...

A toy car with a mass of 0.75 kg is pulled3.2 m across the floor with a constant force of 110 N. If 67 J of work is done, what is the upward angle of the force?

Experiment of a single fixed pulley, A single fixed pulley Set up a one...

A single fixed pulley Set up a one fixed pulley as shown in the diagram below. By means of weights see how much force is needed to lift weights of 25, 50, 75, 100 and 200 g. Ca

Motion, Derive the equation of uniformly acceleration motion by analytical ...

Derive the equation of uniformly acceleration motion by analytical method.

What are end-terminations, What are end-terminations? Again, we get our...

What are end-terminations? Again, we get ourselves in an area where many confusion and controversy are the order of the day. Several American institutions have tried to set sta

Moments, calculating the distance in effective handle.

calculating the distance in effective handle.

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

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

Electromagetism, what is magnetic flux density of cylinder??

what is magnetic flux density of cylinder??

Micanite is a form of which type material, Micanite is a form of (A) B...

Micanite is a form of (A) Built up mica. (B) Hydrated potassium aluminium silicate. (C) Magnesium mica. (D) Calcium mica. Ans: Micanite is a form of Buil

Explain term beats, Beats: The periodic vibrations in intensity or loud...

Beats: The periodic vibrations in intensity or loudness of sound because of superposition of two sound waves of similar amplitude and slightly different frequencies are known a

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