A Uniform Magnetic Field of Magnitude 0

question 32

Multiple Choice

A uniform magnetic field of magnitude 0.80 T in the negative z-direction is present in a region of space,as shown in the figure.A uniform electric field is also present.An electron that is projected with an initial velocity in the positive x-direction passes through the region without deflection.What is the electric field vector in the region?

• A) -73 kV/m
• B) +73 kV/m
• C) +110 kV/m
• D) +110 kV/m
• E) -110 kV/m

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Definitions:

Dominant Strategy

In game theory, an approach that remains optimal for a participant, no matter what tactics are adopted by the others.

Entry-Deterring Price

A strategy involving setting prices low enough to prevent new competitors from entering the market.

Payoff Matrix

A table that displays the potential outcomes and associated payoffs for each player in a game, given the different strategies each player can choose.

Simultaneously

Occurring at the same time as something else.