When a Ferromagnetic Material Is Placed in an External Magnetic

question 83

Multiple Choice

When a ferromagnetic material is placed in an external magnetic field,the net magnetic field of its magnetic domains becomes

• A)smaller.
• B)zero.
• C)larger.

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Definitions:

Random Sampling

A method of selecting a sample from a population in such a way that each individual has an equal probability of being chosen, ensuring the representativeness of the sample.

Equal Chance

The principle that in a certain process, event, or situation, all outcomes or participants have the same probability or likelihood of occurring or being selected.

Correlation

A statistical measure that expresses the extent to which two variables change together; if the correlation is positive, as one variable increases, the other does as well.

Blind

The state or condition of lacking visual perception due to physiological or neurological factors.