Question
When we show the direction of a magnetic field at a certain point, we are showing the direction of the force that would act on a __ pole placed at that point. What one word completes the sentence?
Answer
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Ellis
Master · Tutor for 5 years
Answer
The sentence can therefore be completed as follows: "When we show the direction of a magnetic field at a certain point, we are showing the direction of the force that would act on a **north** pole placed at that point."
Explanation
This question is asking to complete a sentence, focusing on the concept of a magnetic field. Given the known properties of a magnetic field in physics, at a specific point in a magnetic field, the direction of the force produced by that field would act on a magnetic pole placed at that point. Specifically, it would act on the North pole of a compass, demonstrating the magnetic field’s direction against this pole. Therefore, the magnetic pole that completes the sentence must be a "north"pole.