An Electron That Is Accelerated from Rest Through a Potential

question 53

Multiple Choice

An electron that is accelerated from rest through a potential of 4.00 kV enters the velocity filter,consisting of a parallel plate capacitor and a magnetic field.The E-field between the parallel capacitor plates is 7.80 *10⁶ N/C.What magnetic field (in T) is required so that the electrons are not deflected? The mass of an electron is 9.11 * 10^-31 kg.(Ignore relativistic effects for high velocities.)

• A)0.163
• B)0.184
• C)0.208
• D)0.235
• E)0.266

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution, aiming to provide an accurate description of the entire data set.

Least Precise

Describes the measurement or estimation with the highest degree of uncertainty or the lowest level of detail.

Entire Group

Refers to the complete set of individuals or items that are being studied or considered in a research or analysis.

N

Often represents the sample size or total number of observations in a dataset within statistical contexts.