A Bar Magnet Is Falling Through a Loop of Wire

question 71

Multiple Choice

A bar magnet is falling through a loop of wire with constant velocity.The north pole enters first.The induced current will be greatest in magnitude when the magnet is located so that

• A)the loop is near either the north or the south pole.
• B)the loop is near the north pole only.
• C)the loop is near the middle of the magnet.
• D)with no acceleration,the induced current is zero.

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Definitions:

P Value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is correct.

Chi-square Statistic

A measure used in statistics to assess how expectations compare to actual observed data, particularly in the context of categorical variables.

Observed Frequencies

The actual number of occurrences of each category in statistical data.

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.