Magnetization & H, B Relation — Practice Quiz

Question 1

Susceptibility of a paramagnetic material is approximately:

Accepted Answer

+10⁻³

Answer

−10⁻⁵

Answer

+10⁻⁵

Answer

+10⁴

Question 2

Magnetization M is defined as:

Accepted Answer

Magnetic moment per unit volume

Answer

Total flux

Answer

B − H

Answer

Susceptibility × volume

Question 3

Relation between μ_r and χ:

Accepted Answer

μ_r = 1 + χ

Answer

μ_r = χ

Answer

μ_r = 1 − χ

Answer

μ_r = √χ

Question 4

Inside an iron core (μ_r ≈ 1000) of a solenoid with H = 1000 A/m, B is:

Accepted Answer

1.26 T

Answer

0.00126 T

Answer

1.26 × 10⁻³ T

Answer

1.26 × 10⁶ T

Question 5

For a diamagnetic material, susceptibility is:

Accepted Answer

Small and negative

Answer

Large and positive

Answer

Small and positive

Answer

Zero