Moderate

Find the force due to a current of 5 A passing through the element of length 2 cm and flux density of 12 Tesla.

Correct answer: B. 1.2 N

  • A. 1 N
  • B. 1.2 N
  • C. 1.4 N
  • D. 1.6 N

Explanation

Force due to a current element in a carrying conductor is given as F = ILB Where,'F' is the force'I' is the current'L' is the length of the conductor'B' is the strength of the magnetic field.= (5)(2 x 10-2)(12) = 1.2 N. Hence Option B is correct.

Last updated

About Electromagnetism

Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.

Practise Electromagnetism

1,176 free Electromagnetism MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Physics questions like this

Physics is on 13 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions