Two Thin Spherical Shells, One with Radius R and the Other

question 25

Multiple Choice

Two thin spherical shells, one with radius R and the other with radius 2R, surround an isolated charge point particle.The ratio of the number of field lines through the larger sphere to the number through the smaller is:

• A)1
• B)2
• C)4
• D)1/2
• E)1/4

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Definitions:

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without any prior learning or conditioning.

Unconditioned Stimulus

Within classical conditioning, a stimulus that inherently and spontaneously provokes a response with no prior learning required.

Classical Conditioning

The educational process of repeatedly pairing two stimuli; the reaction that initially starts with the second stimulus in time starts with the first stimulus exclusively.

Extinction

In psychology, extinction refers to the gradual weakening and eventual disappearance of a learned response when the reinforcement is no longer provided.