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Magnetism and Electromagnetism

Q1:

How much flux is there in a magnetic field when its flux density is 5000 mu.gifT and its cross-sectional area is 300 mm2?

A 16.67 mWb

B 5.0 mu.gifWb

C 3.0 mWb

D 1.5 mu.gifWb

ANS:D - 1.5 mu.gifWb

U is permeability,
fi=b*a;
b=flux density;
a=cross sec area
B=U*H
5000*300=1500000
=1.5UWb.



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