Fields

Question 1

Define the one eV

Answer 1

One electron volt (eV) is the energy acquired when one electron accelerates through a potential difference of one volt

Question 2

Name the some example of elements that have ferromagnetism

Answer 2

Iron, nickel, cobalt

Question 3

What is ferromagnetism?

Answer 3

Magnetic dipoles are aligned to become magnetic

Question 4

Define electric field strength

Answer 4

Electrical force acting on unit positive charge

Question 5

Explain helical motion

Answer 5

A particle entering the field at an angle will have a circular motion which is perpendicular to the field and it will have a linear motion parallel to the field

Question 6

Define magnetic induction

Answer 6

magnetic induction of 1 Tesla when a conductor of length 1m carrying current of 1 ampere is acted on by force of 1 Newton