The Figure Shows the Time Variation of the Magnitude of the Electric

question 39

Multiple Choice

The figure shows the time variation of the magnitude of the electric field of an electromagnetic wave produced by a wire antenna.
-What is the magnitude of the magnetic field at t = 6.67 × 10^-10 s?

• A)1.7 × 10^-8 T
• B)2.3 × 10^-8 T
• C)2.9 × 10^-8 T
• D)3.3 × 10^-8 T
• E)zero tesla

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Definitions:

Bystander Effect

In social psychology, it describes a situation where the presence of others decreases an individual's likelihood to help a victim.

Observer

An individual who watches or notices something without directly participating.

Group

A collection of individuals who interact with one another, share similar characteristics, and collectively have a sense of unity.

Bystander Effect

A phenomenon where individuals are less likely to offer help to a victim when other people are present.