Two Long Straight Wires Pierce the Plane of the Paper

question 17

Multiple Choice

Two long straight wires pierce the plane of the paper at vertices of an equilateral triangle as shown below. They each carry 2 A, out of the paper. The magnetic field at the third vertex (P) has magnitude (in T) :

• A) 1.0 *10^-5
• B) 1.7* 10^-5
• C) 2.0 * 10^-5
• D) 5.0 * 10^-6
• E) 8.7 *10^-6

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Definitions:

Goodness of Fit

A statistical test to see how well sample data fits a distribution from a population with a normal distribution.

Degrees of Freedom

The number of independent values or quantities that can variably assign to a statistical calculation without breaking any constraints.

P-Value

The probability of obtaining test results at least as extreme as the ones observed during the test, assuming the null hypothesis is true.