How Much Work Is Needed to Carry an Electron from the Positive

question 101

Multiple Choice

How much work is needed to carry an electron from the positive terminal to the negative terminal of a 9.0-V battery.(e = 1.60 × 10^-19 C ,m_electron = 9.11 × 10^-31 kg)

• A)1.6 × 10^-19 J
• B)17 × 10^-19 J
• C)9.0 J
• D)14.4 × 10^-19 J
• E)14.4 × 10^-19 J/C

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Definitions:

Sum of Squares

A statistical technique used to measure the variation or dispersion of a set of numbers, calculated by summing the squares of differences from the mean.

Sample Means

The average value of a set of observations, taken from a sample of the population.

Analysis of Variance

A statistical method used to compare the means of three or more samples to find out if at least one is significantly different from the others.

Population Means

The average value of a particular characteristic across all members of a defined population.