Magnetism and Electromagnetism - Technical MCQs

Q1:

What is the flux density of a magnetic field whose flux is 3000 µWb and cross-sectional area is 0.25 m2?

A 12,000 mu.gifT

B 83,330 T

C 0 T

D More information is needed in order to find flux density.

ANS:A - 12,000 mu.gifT

B = H/A.
B = 3000μ/0.25,
B = 12000μT.