A Rod (Length = 2

question 49

Multiple Choice

A rod (length = 2.0 m) is uniformly charged and has a total charge of 40 nC. What is the magnitude of the electric field at a point which lies along the axis of the rod and is 3.0 m from the center of the rod?

• A) 40 N/C
• B) 45 N/C
• C) 24 N/C
• D) 90 N/C
• E) 36 N/C

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Definitions:

Probability

A measure of the likelihood of a given event occurring, often expressed as a number between 0 and 1.

Mutually Exclusive

Events or propositions that cannot both be true or occur at the same time, implying the occurrence of one event excludes the occurrence of the other.

P(A)

The probability of event A occurring.

P(B)

The probability of event B occurring.