
1. 진공중의 정자계-자계 및 쿨롱의 법칙
Authored by 준혁 김
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6 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
자석이 쇠붙이를 끌어당기는 성질을 무엇이라 하는가?
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
자기를 띄고 있는 물체가 갖는 자극의 세기를 양적으로 나타낸 것은 무엇인가?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
서로 다른 자극 사이에 작용하는 자석의 힘은 무엇인가?
흡인력
반발력
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
자계에서 쿨롱의 법칙을 나타내는 식은 무엇인가?
F = k * (m1 + m2) / r^2
F = k * (m1 * m2) * r^2
F = k * (m1 * m2) / r^2
F = k * (m1 - m2) / r
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
자계에서 쿨롱의 법칙을 계산할 때 쿨롱상수에 해당하는 것은 무엇인가?
6.33*10^4
4pi*10^-7
12.56*10^-7
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
공기 중에서 2.5[Wb]와 0.4[Wb]의 두 자극 사이에 작용하는 힘이 6.33[N]이었다면, 두 자극간의 거리는 몇 [m]인가?
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