A Long Line of Charge with Charge Per Unit $\lambda$

question 4

Multiple Choice

A long line of charge with charge per unit length runs along the cylindrical axis of a cylindrical shell which carries a charge per unit length of $\lambda$ _c. The charge per unit length on the inner and outer surfaces of the shell, respectively are:

• A) and \(\lambda\)_c
• B) and \(\lambda\)_c +
• C) and \(\lambda\)_c - \(\lambda\)_c
• D) + \(\lambda\)_c and \(\lambda\)_c -
• E) - \(\lambda\)_c and \(\lambda\)_c +

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Definitions:

Proactive Interference

The tendency of previously learned material to hinder subsequent learning.

Retroactive Interference

Retroactive interference occurs when new information interferes with the ability to recall previously learned information.

Dendrites

The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.

Repression

A defense mechanism where undesirable thoughts or memories are unconsciously excluded from conscious awareness.